Decatur County, IN
141 public highway bridges
Decatur County Bridge Snapshot
According to the Federal Highway Administration's 2024 National Bridge Inventory, Decatur County, Indiana contains 141 public highway bridges. Roughly 36.9% are rated “Good,” 50.4% “Fair,” and 5% “Poor.” Poor means the lowest applicable deck, superstructure, substructure, or culvert rating is 4 or below on the 0–9 NBI scale. It is a condition category, not a live safety or closure decision.
Responsible agencies inspect covered bridges on risk-based intervals under current NBIS rules and submit inventory data to FHWA annually. The list below shows every NBI-tracked bridge in the county. Use the “Sort by” controls to change the ordering, and click any row for its reported inspection date, traffic count, and condition fields.
Source: FHWA National Bridge Inventory. See methodology for full definitions.
Condition Distribution
All Bridges (141)
SR 3
UnknownOver: I-74 WB
01.53 N US 421, Decatur, IN
CR 700 NORTH
UnknownOver: I-74 WB
06.68 W US 421, Decatur, IN
CR 420W
UnknownOver: I-74 WB
03.75 W US 421, Decatur, IN
CR 100W
UnknownOver: I-74 WB
01.03 W SR 3, Decatur, IN
CR NE 80
UnknownOver: I-74 WB
02.08 E SR 3, Decatur, IN
BASE ROAD
UnknownOver: I-74 EB
03.98 E SR 3, Decatur, IN
CR 600E
UnknownOver: I-74 EB
06.83 E SR 3, Decatur, IN
NEW POINT-ROSSB RD
UnknownOver: I-74 EB
06.02 W SR 229, Decatur, IN
CR 250 N
UnknownOver: FRONTAGE ROAD
01.20 W US 421, Decatur, IN
I-74 WB
UnknownOver: US 421 SB
01.42 N SR 3, Decatur, IN
I-74 EB
UnknownOver: US 421 NB
01.42 N SR 3, Decatur, IN
LAYTON DR
FairOver: SAND CREEK
00.10 NW OF CR 1100 S, Decatur, IN
CR 580W
FairOver: WYALOOSING CREEK
00.10 S OF CR 950 S, Decatur, IN
I-74 EB
FairOver: FLATROCK RIVER
05.05 W US 421, Decatur, IN
I-74 WB
FairOver: FLATROCK RIVER
05.05 W US 421, Decatur, IN
SR 3
FairOver: CLIFTY CREEK
04.28 N I-74, Decatur, IN
CR 850E
FairOver: TRIBUTARY TO TUB CREEK
00.60 N OF CR 300 S, Decatur, IN
CR 550N
FairOver: RIGHTHAND FORK-SALT CR
00.10 N OF CR 880 E, Decatur, IN
CR 400S
FairOver: VERNON FK MUSCATATUCK R
00.00 W OF CR 500 E, Decatur, IN
CR 100W
FairOver: TRIBUTARY TO COBBS FORK
00.90 S OF CR 500 S, Decatur, IN
CR 450W
FairOver: BUCK RUN
00.20 N OF CR 240 NW, Decatur, IN
POPLAR ST
FairOver: MILLSTONE CREEK
00.00 S OF SOUTH ST, Decatur, IN
I-74 WBL
FairOver: CLIFTY CREEK
02.52 W US 421, Decatur, IN
CR 400S
FairOver: SAND CREEK
00.10 W OF SW 60, Decatur, IN
I-74 WB
FairOver: MUDDY FORK SAND CREEK
00.44 E US 421, Decatur, IN
CR 1000S
FairOver: PENTHER CREEK
00.70 E OF SW 60, Decatur, IN
BASE RD
FairOver: PENTHER CREEK
00.20 N OF CR 900 S, Decatur, IN
CR 250S
FairOver: BRANCH MUDDY FORK SAND
00.00 W OF CR 220 SW, Decatur, IN
CR 300S
FairOver: VERNON FK MUSCATATUCK R
00.10 W OF CR 550 E, Decatur, IN
US 421
FairOver: COBBS FORK SAND CREEK
04.43 S SR 46, Decatur, IN
CR 640N
FairOver: MIDDLE FORK CLIFTY CREEK
00.40 W OF CR 400 E, Decatur, IN
CR 600S
FairOver: FORK OF LAUGHERY CREEK
00.10 E OF CR 700 E, Decatur, IN
CR 200S
FairOver: COBB FORK SAND CREEK
00.20 E OF CR 400 E, Decatur, IN
CR 300N
FairOver: CLIFTY CREEK
00.03 NW OF CR 500 W, Decatur, IN
CR 100W
FairOver: MUDDY FORK OF SAND CREEK
00.40 N OF CR 200 N, Decatur, IN
CR 300N
FairOver: FORK OF SALT CREEK
00.30 E OF CR 850 E, Decatur, IN
CR 250E
FairOver: SQUARE RUN
00.60 N OF CR 820 S, Decatur, IN
CR 820S
FairOver: VERNON FK MUSCATATUCK R
00.90 E OF CR 250 E, Decatur, IN
CR 480E
FairOver: VERNON FK MUSCATATUCK R
00.30 S OF CR 500 S, Decatur, IN
CR 220SW
FairOver: MUDDY FORK OF SAND CREEK
00.20 N OF CR 400 S, Decatur, IN
CR 400S
FairOver: MUDDY FORK OF SAND CREEK
00.00 E OF CR 220 SW, Decatur, IN
CR 550W
FairOver: FALL FORK CLIFTY CREEK
00.00 N OF SR 46, Decatur, IN
CR 350W
FairOver: FALL FORK CLIFTY CREEK
00.30 N OF SR 46, Decatur, IN
CR 450W
FairOver: FALL FORK CLIFTY CREEK
00.00 N OF SR 46, Decatur, IN
CR 100S
FairOver: CLIFTY CREEK
00.00 W OF CR 1050 W, Decatur, IN
CR 850 W
FairOver: BR FALL FORK CLIFTY CREE
00.50 NW OF CR 480 S, Decatur, IN
CR 480 S
FairOver: BR FALL FORK CLIFTY CREE
00.00 W OF CR 700 W, Decatur, IN
CR 150E
FairOver: JORDAN CREEK
00.10 N OF CR 650 S, Decatur, IN
CR 240NW
FairOver: POND BRANCH
00.00 E OF CR 700 W, Decatur, IN
CR 1250S
FairOver: MILLSTONE CREEK
00.20 W OF CR 500 W, Decatur, IN
Read our methodology - how this data is sourced, computed, and verified.
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Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.