US Bridges

U.S. 64 over Lambert Creek

Good

Alfalfa County, Oklahoma · 1.4 MI.N.JCT.SH8 · Structure no. 189300000000000

Built
1975
50 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
31 ft
2 main spans
Daily traffic
2,700
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 64 over Lambert Creek is a concrete culvert carrying U.S. 64 over Lambert Creek in Alfalfa County, Oklahoma. It was built in 1975, so it is 50 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 2,700 vehicles a day, roughly 15% of them trucks, projected to reach 4,320 by 2042. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 36 mi (58 km).

Location

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CarriesU.S. 64
CrossesLambert Creek
Location1.4 MI.N.JCT.SH8
RouteU.S. Route 64
CountyAlfalfa County
StateOklahoma
Coordinates36.68357, -98.36039
Functional classRural Major Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.8 US tons
Inventory rating25 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,700 (2022)
Projected traffic4,320 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed36 mi (58 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$651,000
NavigationNo navigation control on waterway

Frequently asked questions

When was U.S. 64 over Lambert Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is U.S. 64 over Lambert 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 September 2023.

How much traffic does U.S. 64 over Lambert Creek carry?

About 2,700 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is U.S. 64 over Lambert Creek?

The structure is 31 ft (9.4 m) long with a longest span of 15 ft (4.6 m).

Who owns U.S. 64 over Lambert Creek?

It is owned by the State Highway Agency.