US Bridges

S.H. 11 over Bird Creek

Fair

Osage County, Oklahoma · 0.1 Mi. S. Jct. US60 · Structure no. 203170000000000

Built
1982
43 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
322 ft
2 main spans
Daily traffic
2,800
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 11 over Bird Creek is a prestressed concrete stringer/multi-beam or girder carrying S.H. 11 over Bird Creek in Osage County, Oklahoma. It was built in 1982, so it is 43 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 2,800 vehicles a day, roughly 16% of them trucks, projected to reach 4,480 by 2042. The structure is 322 ft (98.1 m) long and 44 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesS.H. 11
CrossesBird Creek
Location0.1 Mi. S. Jct. US60
RouteState Highway 11
CountyOsage County
StateOklahoma
Coordinates36.66601, -96.31392
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.7 US tons
Inventory rating30.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length322 ft (98.1 m)
Longest span90 ft (27.4 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,800 (2022)
Projected traffic4,480 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$2.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 11 over Bird Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is S.H. 11 over Bird 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 October 2023.

How much traffic does S.H. 11 over Bird Creek carry?

About 2,800 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is S.H. 11 over Bird Creek?

The structure is 322 ft (98.1 m) long with a longest span of 90 ft (27.4 m) and a deck 44 ft wide.

Who owns S.H. 11 over Bird Creek?

It is owned by the State Highway Agency.