US Bridges

U.S. 377 / S.H. 99 over Turkey Creek

Fair

Seminole County, Oklahoma · 0.9 MI N JCT SH 99A · Structure no. 198090000000000

Built
1980
45 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
212 ft
3 main spans
Daily traffic
3,600
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 377 / S.H. 99 over Turkey Creek is a prestressed concrete stringer/multi-beam or girder carrying U.S. 377 / S.H. 99 over Turkey Creek in Seminole County, Oklahoma. It was built in 1980, so it is 45 years old, younger 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 3,600 vehicles a day, roughly 25% of them trucks, projected to reach 5,760 by 2042. The structure is 212 ft (64.6 m) long and 46 ft wide.

CarriesU.S. 377 / S.H. 99
CrossesTurkey Creek
Location0.9 MI N JCT SH 99A
RouteState Highway 99
Coordinates35.35991, -96.6714
Functional classRural Principal Arterial - Other

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.3 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length212 ft (64.6 m)
Longest span70 ft (21.3 m)
Deck width46 ft (13.9 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,600 (2022)
Projected traffic5,760 by 2042
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

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$3.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was U.S. 377 / S.H. 99 over Turkey Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is U.S. 377 / S.H. 99 over Turkey 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 February 2024.

How much traffic does U.S. 377 / S.H. 99 over Turkey Creek carry?

About 3,600 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is U.S. 377 / S.H. 99 over Turkey Creek?

The structure is 212 ft (64.6 m) long with a longest span of 70 ft (21.3 m) and a deck 46 ft wide.

Who owns U.S. 377 / S.H. 99 over Turkey Creek?

It is owned by the State Highway Agency.