US Bridges

S.H. 9 a over Mud Creek

Good

Seminole County, Oklahoma · 4.3 Mi. N JCT S.H. 39 · Structure no. 318690000000000

Built
2018
7 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
52 ft
3 main spans
Daily traffic
980
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 9 a over Mud Creek is a concrete culvert carrying S.H. 9 a over Mud Creek in Seminole County, Oklahoma. It was built in 2018, so it is 7 years old, younger than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 980 vehicles a day, roughly 10% of them trucks, projected to reach 1,455 by 2042. The structure is 52 ft (15.9 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesS.H. 9 a
CrossesMud Creek
Location4.3 Mi. N JCT S.H. 39
RouteState Highway 9A
Coordinates35.02278, -96.7575
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100 US tons
Inventory rating100 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length52 ft (15.9 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic980 (2022)
Projected traffic1,455 by 2042
Trucks10%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 9 a over Mud Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is S.H. 9 a over Mud Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does S.H. 9 a over Mud Creek carry?

About 980 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is S.H. 9 a over Mud Creek?

The structure is 52 ft (15.9 m) long with a longest span of 16 ft (4.9 m).

Who owns S.H. 9 a over Mud Creek?

It is owned by the State Highway Agency.