Niobrara County, WY
34 public highway bridges
Niobrara County Bridge Snapshot
Niobrara County, Wyoming contains 34 public highway bridges in the FHWA National Bridge Inventory. Roughly 44.1% are rated “Good,” 52.9% “Fair,” 2.9% “Poor,” and 2.9% 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 WY 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.
Condition Distribution
All Bridges (34)
Ni Cnty Rd 6
FairOver: Hungry Hollow
6 Mi W. Of Mule Crk Jct, Niobrara, WY
WYO 272
FairOver: Lance Creek
Jct WYO 270 - North, Niobrara, WY
US 18
FairOver: Old Woman Creek
Lusk - Mule Creek Jct, Niobrara, WY
Ni Cnty Rd 11
FairOver: Black Creek
12 Mi Sw Of Mule Crk Jct, Niobrara, WY
US 20
FairOver: C and NW Railroad
Lusk-Vantassel Road, Niobrara, WY
US 18
FairOver: Mule Creek
Lusk-Newcastle, Niobrara, WY
US 85
FairOver: Robbers Roost Creek
Mule Creek Jct-Newcastle, Niobrara, WY
WYO 270
FairOver: Provost Draw
Lance Creek East Section, Niobrara, WY
Ni Cnty Rd 13
FairOver: Lance Creek
2 Miles N.E. Of Cow Creek, Niobrara, WY
US 18
FairOver: Old Woman Creek
Lusk - Newcastle, Niobrara, WY
US 85
FairOver: Cheyenne River
Mule Creek Jct-Newcastle, Niobrara, WY
Ni Cnty Rd 14
FairOver: Lightning Creek
N. Lance Creek Road, Niobrara, WY
Ni Cnty Rd 14
FairOver: Cow Creek
N. Lance Creek Road, Niobrara, WY
Ni Cnty Rd 18
FairOver: Sage Creek
14 Mi Ne Of Lusk, Niobrara, WY
WYO 270
FairOver: Cherry Creek
Lance Creek-South, Niobrara, WY
US 20
FairOver: Niobrara River
Lusk Streets, 3Rd Street, Niobrara, WY
Ni Cnty Rd 6
FairOver: Alkali Creek
3 Mi. Nw Of Mule Crk Jct, Niobrara, WY
US 18
FairOver: Niobrara River
Lusk, Niobrara, WY
Ni Cnty Rd 64
GoodOver: South Indian Creek
8 Miles E. Of Hat Creek, Niobrara, WY
W Pershing Street
GoodOver: Niobrara River
Lusk Streets, Niobrara, WY
US 85
GoodOver: UPRR
Lusk Streets, Niobrara, WY
Daley Street
GoodOver: Niobrara River
Lusk, Niobrara, WY
US 85
GoodOver: Bobcat Creek
Mule Creek Jct-Newcastle, Niobrara, WY
US 18
GoodOver: Stockpass
Orin Jct-Lusk, Niobrara, WY
WYO 270
GoodOver: Unnamed Draw
Manville South, Niobrara, WY
US 20
GoodOver: S Fork Niobrara River
Lusk - Nebr. State Line, Niobrara, WY
US 20
GoodOver: Van Tassell Creek
Lusk - Nebr. Line, Niobrara, WY
Ni Cnty Rd 50
GoodOver: Lightning Creek
Kaye Field Road, Niobrara, WY
US 20
GoodOver: Niobrara River
Lusk - Nebr Line, Niobrara, WY
WYO 271
GoodOver: Lance Creek
.17 Mi West Of Lance Cree, Niobrara, WY
Ni Cnty Rd 11
GoodOver: Lance Creek
12 Mi SW of mule Crk Jct, Niobrara, WY
WYO 271
GoodOver: Little Lightning Creek
3 Mi West Of Lance Creek, Niobrara, WY
WYO 270
GoodOver: Old Woman Creek
Lance Creek East Road, Niobrara, WY
Ni Cnty Rd 9
PoorOver: Cheyenne River
6 Mi. N.E.Of Mule Crk Jct, Niobrara, WY
Read our methodology — how this data is sourced, computed, and verified.
Related
| Publisher | Kiznis Studio |
| Sources | FHWA National Bridge Inventory, public U.S. government datasets |