US Bridges

S.H. 20 over Creek

Fair

Osage County, Oklahoma · 6.6 Mi. E. Jct. SH18 · Structure no. 131710000000000

Built
1954
71 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
34 ft
3 main spans
Daily traffic
820
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 20 over Creek is a concrete culvert carrying S.H. 20 over Creek in Osage County, Oklahoma. It was built in 1954, so it is 71 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 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 820 vehicles a day, roughly 15% of them trucks, projected to reach 1,312 by 2042. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesS.H. 20
CrossesCreek
Location6.6 Mi. E. Jct. SH18
RouteState Highway 20
CountyOsage County
StateOklahoma
Coordinates36.46912, -96.61624
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.9 US tons
Inventory rating40.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic820 (2022)
Projected traffic1,312 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$644,000
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 20 over Creek built?

It was built in 1954, making it 71 years old in 2025.

What condition is S.H. 20 over 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 August 2023.

How much traffic does S.H. 20 over Creek carry?

About 820 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 20 over Creek?

The structure is 34 ft (10.4 m) long with a longest span of 10 ft (3 m).

Who owns S.H. 20 over Creek?

It is owned by the State Highway Agency.