US Bridges

U.S. 277 over Smith Creek

Fair

Grady County, Oklahoma · 2.7 MI W US81 · Structure no. 021230000000000

Built
1928
97 years old, rebuilt 1974
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
103 ft
3 main spans
Daily traffic
2,000
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 277 over Smith Creek is a steel stringer/multi-beam or girder carrying U.S. 277 over Smith Creek in Grady County, Oklahoma. It was built in 1928 and reconstructed in 1974, so it is 97 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 2,000 vehicles a day, roughly 15% of them trucks, projected to reach 3,200 by 2042. The structure is 103 ft (31.4 m) long and 35 ft wide. If it were closed, the detour would be 44.7 mi (72 km).

Location

Open in Google Maps
CarriesU.S. 277
CrossesSmith Creek
Location2.7 MI W US81
RouteU.S. Route 277
CountyGrady County
StateOklahoma
Coordinates34.94918, -97.99603
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length103 ft (31.4 m)
Longest span34 ft (10.4 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2022)
Projected traffic3,200 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.7 mi (72 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was U.S. 277 over Smith Creek built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1974.

What condition is U.S. 277 over Smith Creek 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 July 2023.

How much traffic does U.S. 277 over Smith Creek carry?

About 2,000 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is U.S. 277 over Smith Creek?

The structure is 103 ft (31.4 m) long with a longest span of 34 ft (10.4 m) and a deck 35 ft wide.

Who owns U.S. 277 over Smith Creek?

It is owned by the State Highway Agency.