US Bridges

S.H. 38 over Salt Fork of Arkansas R.

Good

Alfalfa County, Oklahoma · 9.8 N JCT U.S. 64 · Structure no. 310440000000000

Built
2017
8 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
401 ft
4 main spans
Daily traffic
200
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 38 over Salt Fork of Arkansas R. is a prestressed concrete stringer/multi-beam or girder carrying S.H. 38 over Salt Fork of Arkansas R. in Alfalfa County, Oklahoma. It was built in 2017, so it is 8 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 200 vehicles a day, roughly 15% of them trucks, projected to reach 320 by 2042. The structure is 401 ft (122.2 m) long and 49 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesS.H. 38
CrossesSalt Fork of Arkansas R.
Location9.8 N JCT U.S. 64
RouteState Highway 38
Coordinates36.7519, -98.12818
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
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.6 US tons
Inventory rating42.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length401 ft (122.2 m)
Longest span100 ft (30.5 m)
Deck width49 ft (15 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2022)
Projected traffic320 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 38 over Salt Fork of Arkansas R. built?

It was built in 2017, making it 8 years old in 2025.

What condition is S.H. 38 over Salt Fork of Arkansas R. 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 October 2023.

How much traffic does S.H. 38 over Salt Fork of Arkansas R. carry?

About 200 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 38 over Salt Fork of Arkansas R.?

The structure is 401 ft (122.2 m) long with a longest span of 100 ft (30.5 m) and a deck 49 ft wide.

Who owns S.H. 38 over Salt Fork of Arkansas R.?

It is owned by the State Highway Agency.