US Bridges

S.H. 9 over Sans Bois Creek

Fair

Haskell County, Oklahoma · 15.7 MI E of JCT SH2 · Structure no. 179540000000000

Built
1970
55 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
535 ft
3 main spans
Daily traffic
3,700
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 9 over Sans Bois Creek is a steel continuous stringer/multi-beam or girder carrying S.H. 9 over Sans Bois Creek in Haskell County, Oklahoma. It was built in 1970, so it is 55 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 3,700 vehicles a day, roughly 16% of them trucks, projected to reach 5,920 by 2042. The structure is 535 ft (163.1 m) long and 33 ft wide. If it were closed, the detour would be 44.7 mi (72 km).

Location

Open in Google Maps
CarriesS.H. 9
CrossesSans Bois Creek
Location15.7 MI E of JCT SH2
RouteState Highway 9
CountyHaskell County
StateOklahoma
Coordinates35.25924, -94.97081
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length535 ft (163.1 m)
Longest span242 ft (73.8 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,700 (2022)
Projected traffic5,920 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.7 mi (72 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$8.1 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was S.H. 9 over Sans Bois Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is S.H. 9 over Sans Bois 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 December 2024.

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

About 3,700 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is S.H. 9 over Sans Bois Creek?

The structure is 535 ft (163.1 m) long with a longest span of 242 ft (73.8 m) and a deck 33 ft wide.

Who owns S.H. 9 over Sans Bois Creek?

It is owned by the State Highway Agency.