US Bridges

S.H. 74 over U.S. 64 / U.S. 412 under

Fair

Garfield County, Oklahoma · JCT of US 64 & SH 74 · Structure no. 194870000000000

Built
1978
47 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
202 ft
2 main spans
Daily traffic
1,600
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 74 over U.S. 64 / U.S. 412 under is a prestressed concrete stringer/multi-beam or girder carrying S.H. 74 over U.S. 64 / U.S. 412 under in Garfield County, Oklahoma. It was built in 1978, so it is 47 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 5 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 1,600 vehicles a day, roughly 15% of them trucks, projected to reach 2,560 by 2042. The structure is 202 ft (61.7 m) long and 46 ft wide.

Location

Open in Google Maps
CarriesS.H. 74
CrossesU.S. 64 / U.S. 412 under
LocationJCT of US 64 & SH 74
RouteState Highway 74
CountyGarfield County
StateOklahoma
Coordinates36.39734, -97.58633
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating17 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length202 ft (61.7 m)
Longest span100 ft (30.5 m)
Deck width46 ft (13.9 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2022)
Projected traffic2,560 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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$1.9 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was S.H. 74 over U.S. 64 / U.S. 412 under built?

It was built in 1978, making it 47 years old in 2025.

What condition is S.H. 74 over U.S. 64 / U.S. 412 under 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 February 2024.

How much traffic does S.H. 74 over U.S. 64 / U.S. 412 under carry?

About 1,600 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 74 over U.S. 64 / U.S. 412 under?

The structure is 202 ft (61.7 m) long with a longest span of 100 ft (30.5 m) and a deck 46 ft wide.

Who owns S.H. 74 over U.S. 64 / U.S. 412 under?

It is owned by the State Highway Agency.