US Bridges

U.S. 64 / U.S. 412 over U.S. 64 under

Good

Garfield County, Oklahoma · 3.1 MI E JCT 81 Enid · Structure no. 175000000000000

Built
1969
56 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
162 ft
2 main spans
Daily traffic
4,550
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 64 / U.S. 412 over U.S. 64 under is a steel continuous stringer/multi-beam or girder carrying U.S. 64 / U.S. 412 over U.S. 64 under in Garfield County, Oklahoma. It was built in 1969, so it is 56 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 4,550 vehicles a day, roughly 7% of them trucks, projected to reach 7,280 by 2042. The structure is 162 ft (49.4 m) long and 49 ft wide.

Location

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CarriesU.S. 64 / U.S. 412
CrossesU.S. 64 under
Location3.1 MI E JCT 81 Enid
RouteU.S. Route 64
CountyGarfield County
StateOklahoma
Coordinates36.39222, -97.83694
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length162 ft (49.4 m)
Longest span80 ft (24.4 m)
Deck width49 ft (14.9 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,550 (2022)
Projected traffic7,280 by 2042
Trucks7%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkSTRAHNET connector

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$2.4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was U.S. 64 / U.S. 412 over U.S. 64 under built?

It was built in 1969, making it 56 years old in 2025.

What condition is U.S. 64 / U.S. 412 over U.S. 64 under 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 U.S. 64 / U.S. 412 over U.S. 64 under carry?

About 4,550 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is U.S. 64 / U.S. 412 over U.S. 64 under?

The structure is 162 ft (49.4 m) long with a longest span of 80 ft (24.4 m) and a deck 49 ft wide.

Who owns U.S. 64 / U.S. 412 over U.S. 64 under?

It is owned by the State Highway Agency.