US Bridges

S.H. 9 over Unnamed Creek

Good

Seminole County, Oklahoma · 4.4 E JCT S.H. 99 · Structure no. 309430000000000

Built
2021
4 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
20 ft
1 main span
Daily traffic
2,163
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 9 over Unnamed Creek is a concrete culvert carrying S.H. 9 over Unnamed Creek in Seminole County, Oklahoma. It was built in 2021, so it is 4 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,163 vehicles a day, roughly 18% of them trucks, projected to reach 2,954 by 2042. The structure is 20 ft (6.1 m) long.

CarriesS.H. 9
CrossesUnnamed Creek
Location4.4 E JCT S.H. 99
RouteState Highway 9
Coordinates35.2465, -96.5941
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100 US tons
Inventory rating81.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic2,163 (2022)
Projected traffic2,954 by 2042
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 over Unnamed Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is S.H. 9 over Unnamed 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 March 2024.

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

About 2,163 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is S.H. 9 over Unnamed Creek?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m).

Who owns S.H. 9 over Unnamed Creek?

It is owned by the State Highway Agency.