US Bridges

S.H. 99A over Creek

Fair

Seminole County, Oklahoma · 6.7 MI E Pott CO · Structure no. 090450000000000

Built
1940
85 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete
Length
44 ft
2 main spans
Daily traffic
670
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 99A over Creek is a concrete slab carrying S.H. 99A over Creek in Seminole County, Oklahoma. It was built in 1940, so it is 85 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 670 vehicles a day, roughly 15% of them trucks, projected to reach 1,072 by 2042. The structure is 44 ft (13.4 m) long and 32 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesS.H. 99A
CrossesCreek
Location6.7 MI E Pott CO
RouteState Highway 99A
CountySeminole County
StateOklahoma
Coordinates35.34812, -96.67632
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating92.6 US tons
Inventory rating55.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 10
Structure length44 ft (13.4 m)
Longest span20 ft (6.1 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic670 (2022)
Projected traffic1,072 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$1.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 99A over Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is S.H. 99A over 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 S.H. 99A over Creek carry?

About 670 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 99A over Creek?

The structure is 44 ft (13.4 m) long with a longest span of 20 ft (6.1 m) and a deck 32 ft wide.

Who owns S.H. 99A over Creek?

It is owned by the State Highway Agency.