US Bridges

S.H. 74 over Salt Fork Arkansas River

Fair

Grant County, Oklahoma · 3.2 MI N Garfield C/L · Structure no. 203250000000000

Built
1982
43 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
901 ft
9 main spans
Daily traffic
720
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 74 over Salt Fork Arkansas River is a prestressed concrete stringer/multi-beam or girder carrying S.H. 74 over Salt Fork Arkansas River in Grant County, Oklahoma. It was built in 1982, so it is 43 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 720 vehicles a day, roughly 15% of them trucks, projected to reach 1,152 by 2042. The structure is 901 ft (274.6 m) long and 34 ft wide. If it were closed, the detour would be 37.9 mi (61 km).

Location

Open in Google Maps
CarriesS.H. 74
CrossesSalt Fork Arkansas River
Location3.2 MI N Garfield C/L
RouteState Highway 74
CountyGrant County
StateOklahoma
Coordinates36.64063, -97.58757
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92 US tons
Inventory rating46 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length901 ft (274.6 m)
Longest span100 ft (30.5 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic720 (2022)
Projected traffic1,152 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.9 mi (61 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$5.3 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 74 over Salt Fork Arkansas River built?

It was built in 1982, making it 43 years old in 2025.

What condition is S.H. 74 over Salt Fork Arkansas River 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 May 2024.

How much traffic does S.H. 74 over Salt Fork Arkansas River carry?

About 720 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 74 over Salt Fork Arkansas River?

The structure is 901 ft (274.6 m) long with a longest span of 100 ft (30.5 m) and a deck 34 ft wide.

Who owns S.H. 74 over Salt Fork Arkansas River?

It is owned by the State Highway Agency.