Harris County, TX

4,030 public highway bridges

Harris County Bridge Snapshot

Harris County, Texas contains 4,030 public highway bridges in the FHWA National Bridge Inventory. Roughly 31.2% are rated “Good,” 31.4% “Fair,” 0.4% “Poor,” and 0.4% are classified as structurally deficient — the federal designation for spans whose deck, superstructure, or substructure has been rated 4 or below on the 0–9 NBI scale. Structurally deficient does not mean unsafe to cross; it means the bridge is on the priority list for repair or replacement.

Inspections in TX are conducted by certified engineers from the state Department of Transportation on a 24-month cycle, and results are reported back to the FHWA each spring. The list below shows every NBI-tracked bridge in the county, sorted by inventory load rating. Use the “Sort by” controls to surface the lowest-rated spans first, and click any row for full inspection history, traffic counts, and condition trends.

Source: FHWA National Bridge Inventory. See methodology for full definitions.

4,030

Total Bridges

31.2%

Good

0.4%

Poor

0.4%

Structurally Deficient

Condition Distribution

Good

31.2% (1,259)

Fair

31.4% (1,266)

Poor

0.4% (18)

SD

0.4% (18)

All Bridges (4,030)

Sort:

US 290 WB Off-Ramp

Over: Mangum Rd.

0.2 MI W of IH 610, Harris, TX

Built 2017 ADT: 2,000

US 290 WBML

Over: Hollister Rd.

3.4 MI SE of BW 8, Harris, TX

Built 2016 ADT: 23,880

US 290 EBML

Over: Hollister Road

3.4 MI SE OF BWY 8, Harris, TX

Built 2018 ADT: 23,880

US 290 WBML

Over: West Tidwell Rd.

3.2 MI SE OF BWY 8, Harris, TX

Built 2016 ADT: 3,960

US 290 EBML

Over: W Tidwell Road

3.2 MI SE OF BW 8, Harris, TX

Built 2018 ADT: 20,780

US 290 WB ML

Over: FAIRBANKS N HOUSTON RD

2.1 MI SE OF BWY 8, Harris, TX

Built 2016 ADT: 37,300

US 290 EBML

Over: Faribanks-N. Houston

2.1 MI SE OF BWY 8, Harris, TX

Built 2018 ADT: 37,300

US 290 WB ML

Over: Gessner Dr.

1.45 MI E OF BWY 8, Harris, TX

Built 2016 ADT: 20,210

US 290 EB ML

Over: GESSNER DR

1.45 MI E OF BWY 8, Harris, TX

Built 2018 ADT: 20,210

US 290

Over: Antoine Dr.

2.30 MI NW of IH 610, Harris, TX

Built 2017 ADT: 10,000

US 290

Over: Bingle Rd.

3.70 MI NW of IH 610, Harris, TX

Built 2017 ADT: 10,000

US 290

Over: West 43rd St.

3.2 MI NW of IH 610, Harris, TX

Built 2017 ADT: 10,000

PINEMONT ST

Over: US 290

3.7 MI NW OF IH 610, Harris, TX

Built 2014 ADT: 273,500

US 290 WBML

Over: Conn. A & 18th St.

At IH 610 & US 290, Harris, TX

Built 2017 ADT: 107,110

US 290 EBML

Over: IH 610

at US 290 and IH 610, Harris, TX

Built 2017 ADT: 10,000

US 290 ML

Over: DACOMA RD

0.75 MI NW OF IH 610, Harris, TX

Built 2017 ADT: 10,000

US 290 EBML

Over: US 290

US290 / Dacoma Interchang, Harris, TX

Built 2020 ADT: 7,945

US 290

Over: MANGUM RD

1.1 MI NW OF IH 610, Harris, TX

Built 2017 ADT: 10,000

US 290 EBML

Over: US 290

US290 / Mangum Interchang, Harris, TX

Built 2020 ADT: 14,015

US 290 WB ML

Over: W 34TH ST

1.65 MI NW OF IH 610, Harris, TX

Built 2016 ADT: 10,000

US 290 EB ML

Over: W 34TH ST

1.65 MI NW OF IH 610, Harris, TX

Built 2016 ADT: 10,000

US 290 HOV

Over: CONN, RAMP, US290, RR

US 290 AT IH 610, Harris, TX

Built 2017 ADT: 100,000

BW 8 EBFR

Over: SH 3 & UP RR

1.10 MI NE OF IH 45, Harris, TX

Built 1989 ADT: 17,900

BW8 WB FR

Over: SH 3 & UP RR

1.10 MI NE OF IH 45, Harris, TX

Built 1989 ADT: 17,900

BW 8 EBML

Over: SH 3 & UP RR

1.10 MI NE OF IH 45, Harris, TX

Built 1996 ADT: 18,290

BW 8 WBML

Over: SH 3 & UP RR

1.10 MI NE OF IH 45, Harris, TX

Built 1996 ADT: 18,290

IH 45 SB

Over: IH 45 SB

2.20 MI N OF FM 1960, Harris, TX

Built 1996 ADT: 2,000

HARDY TOLL RD SB

Over: HARDY TOLL RD SB

0.30 MI S MONTGOMERY C/L, Harris, TX

Built 1988 ADT: 206,580

IH 45 NBFR

Over: IH 45 NBFR

0.3 MI S MONTGOMERY C/L, Harris, TX

Built 1988 ADT: 12,990

SPRING CROSSING RD

Over: SPRING CROSSING RD

2.1 MI N OF FM 2920, Harris, TX

Built 1991 ADT: 18,842

IH 45 NB

Over: AIRTEX DR.

4 MI S OF FM 1960, Harris, TX

Built 1997 ADT: 7,530

IH 45 SB & HOV

Over: AIRTEX DR

2.93 MI N JCT BW8 & IH45, Harris, TX

Built 1997 ADT: 7,530

LOUETTA RD

Over: LOUETTA RD

0.6 MI S OF FM 2920, Harris, TX

Built 1994 ADT: 195,366

IH 45 NBML

Over: IH 45 NBML

3.8 MI S OF FM 2920, Harris, TX

Built 1998 ADT: 48,000

IH 45 SBFR

Over: IH 45 SBFR

3.8 MI S OF FM 2920, Harris, TX

Built 1998 ADT: 33,000

IH 45 NBFR

Over: IH 45 NBFR

3.8 MI S OF FM 2920, Harris, TX

Built 1998 ADT: 33,000

PARRAMATTA/HOLLOW

Over: PARRAMATTA/HOLLOW

0.5 MI N OF FM 1960, Harris, TX

Built 1998 ADT: 188,095

IH 45 NB

Over: RICHEY RD

2 MI S OF FM 1960, Harris, TX

Built 1997 ADT: 9,930

IH 45 HOV

Over: IH 45 HOV

0.8 MI S OF FM 1960, Harris, TX

Built 1995 ADT: 116,090

IH 45 HOV

Over: IH 45 SBML

1.34 MI N OF GREENS BAYOU, Harris, TX

Built 1997 ADT: 250,376

IH 45 HOV T-RAMP

Over: IH 45 SBFR

1.34 MI N OF GREENS BAYOU, Harris, TX

Built 1997 ADT: 28,200

IH 45 NBFR

Over: IH 45 NBFR

0.60 MI N OF FM 2920, Harris, TX

Built 2002 ADT: 3,000

IH 45 ML

Over: IH 45 ML

0.60 MI N OF FM 2920, Harris, TX

Built 2002 ADT: 3,000

IH 45 SBFR

Over: IH 45 SBFR

0.60 MI N OF FM 2920, Harris, TX

Built 2002 ADT: 3,000

IH 45 NB

Over: IH 45 NB

3.75 MI N OF FM 1960, Harris, TX

Built 2004 ADT: 58,480

IH 45 SB

Over: IH 45 SB

3.75 MI N OF FM 1960, Harris, TX

Built 2002 ADT: 58,480

IH 45 NB

Over: IH 45 NB

2.20 MI N OF FM 1960, Harris, TX

Built 1996 ADT: 2,000

IH 45 SB & HOV

Over: RICHEY RD

2 MI S OF FM 1960, Harris, TX

Built 1997 ADT: 9,930

IH 45 SBML & HOV

Over: IH 45 SBML & HOV

3.8 MI S OF FM 2920, Harris, TX

Built 1998 ADT: 33,000

SH 99 EB FRTG RD

Over: IH 45

AT JCT IH 45 AND SH 99, Harris, TX

Built 2016 ADT: 191,915

Read our methodology — how this data is sourced, computed, and verified.

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Data sourced from official U.S. government datasets. See our methodology for details. Retrieved and formatted by PlainBridges Editorial

Reviewed byPlainbridges Editorial, Plain Bridges Editorial Team · June 6, 2026