US Bridges

U.S. 177 over BNSF R.R. under

Fair

Noble County, Oklahoma · 0.4 MI S Jct. S.H.15 · Structure no. 193500000000000

Built
1977
48 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
220 ft
3 main spans
Daily traffic
4,500
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 177 over BNSF R.R. under is a prestressed concrete stringer/multi-beam or girder carrying U.S. 177 over BNSF R.R. under in Noble County, Oklahoma. It was built in 1977, so it is 48 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 4,500 vehicles a day, roughly 16% of them trucks, projected to reach 7,200 by 2042. The structure is 220 ft (67.1 m) long and 50 ft wide. If it were closed, the detour would be 36 mi (58 km).

Location

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CarriesU.S. 177
CrossesBNSF R.R. under
Location0.4 MI S Jct. S.H.15
RouteU.S. Route 177
CountyNoble County
StateOklahoma
Coordinates36.45716, -97.06781
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length220 ft (67.1 m)
Longest span84 ft (25.6 m)
Deck width50 ft (15.1 m)
Roadway width47 ft (14.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,500 (2022)
Projected traffic7,200 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed36 mi (58 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.8 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was U.S. 177 over BNSF R.R. under built?

It was built in 1977, making it 48 years old in 2025.

What condition is U.S. 177 over BNSF R.R. under in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does U.S. 177 over BNSF R.R. under carry?

About 4,500 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is U.S. 177 over BNSF R.R. under?

The structure is 220 ft (67.1 m) long with a longest span of 84 ft (25.6 m) and a deck 50 ft wide.

Who owns U.S. 177 over BNSF R.R. under?

It is owned by the State Highway Agency.