US Bridges

S.H. 9 over Carter Creek

Fair

Seminole County, Oklahoma · 1.4E of JCT S.H. 99 · Structure no. 290020000000000

Built
2011
14 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
171 ft
3 main spans
Daily traffic
10,000
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 9 over Carter Creek is a prestressed concrete stringer/multi-beam or girder carrying S.H. 9 over Carter Creek in Seminole County, Oklahoma. It was built in 2011, so it is 14 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 10,000 vehicles a day, roughly 15% of them trucks, projected to reach 16,000 by 2042. The structure is 171 ft (52 m) long and 42 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

Location

Open in Google Maps
CarriesS.H. 9
CrossesCarter Creek
Location1.4E of JCT S.H. 99
RouteState Highway 99
CountySeminole County
StateOklahoma
Coordinates35.24643, -96.64666
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.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo 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
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating37.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length171 ft (52 m)
Longest span80 ft (24.4 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,000 (2022)
Projected traffic16,000 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 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$2.2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 9 over Carter Creek built?

It was built in 2011, making it 14 years old in 2025.

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

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

About 10,000 vehicles per day (2022 count), of which roughly 15% are trucks.

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

The structure is 171 ft (52 m) long with a longest span of 80 ft (24.4 m) and a deck 42 ft wide.

Who owns S.H. 9 over Carter Creek?

It is owned by the State Highway Agency.