US Bridges

S.H. 99A over Creek

Fair

Okfuskee County, Oklahoma · 1.9 MI E Seminole C/L · Structure no. 206260000000000

Built
1984
41 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
150
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 99A over Creek is a concrete culvert carrying S.H. 99A over Creek in Okfuskee County, Oklahoma. It was built in 1984, so it is 41 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 6 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 150 vehicles a day, roughly 15% of them trucks, projected to reach 240 by 2042. The structure is 24 ft (7.3 m) long and 22 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesS.H. 99A
CrossesCreek
Location1.9 MI E Seminole C/L
RouteState Highway 99A
CountyOkfuskee County
StateOklahoma
Coordinates35.34833, -96.41012
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span10 ft (3 m)
Deck width22 ft (6.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2022)
Projected traffic240 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$644,000
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 1984, making it 41 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 September 2023.

How much traffic does S.H. 99A over Creek carry?

About 150 vehicles per day (2022 count), of which roughly 15% are trucks.

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

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m) and a deck 22 ft wide.

Who owns S.H. 99A over Creek?

It is owned by the State Highway Agency.