US Bridges

S.H. 51 Alt. over Creek

Good

Blaine County, Oklahoma · 5.9 MI N JCT S.H. 51 · Structure no. 169160000000000

Built
1967
58 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete
Length
54 ft
3 main spans
Daily traffic
620
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 51 Alt. over Creek is a concrete culvert carrying S.H. 51 Alt. over Creek in Blaine County, Oklahoma. It was built in 1967, so it is 58 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 620 vehicles a day, roughly 16% of them trucks, projected to reach 992 by 2042. The structure is 54 ft (16.5 m) long and 72 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

Location

Open in Google Maps
CarriesS.H. 51 Alt.
CrossesCreek
Location5.9 MI N JCT S.H. 51
RouteState Highway 51A
CountyBlaine County
StateOklahoma
Coordinates36.1415, -98.47681
Functional classRural Minor Arterial

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length54 ft (16.5 m)
Longest span17 ft (5.2 m)
Deck width72 ft (21.9 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic620 (2022)
Projected traffic992 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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$792,000
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 51 Alt. over Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is S.H. 51 Alt. over 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 February 2024.

How much traffic does S.H. 51 Alt. over Creek carry?

About 620 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is S.H. 51 Alt. over Creek?

The structure is 54 ft (16.5 m) long with a longest span of 17 ft (5.2 m) and a deck 72 ft wide.

Who owns S.H. 51 Alt. over Creek?

It is owned by the State Highway Agency.