US Bridges

S.H. 108 over Slwc R.R. under

Good

Payne County, Oklahoma · 8.2 MI N JCT SH 51 · Structure no. 260540000000000

Built
2001
24 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
209 ft
3 main spans
Daily traffic
1,500
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 108 over Slwc R.R. under is a prestressed concrete stringer/multi-beam or girder carrying S.H. 108 over Slwc R.R. under in Payne County, Oklahoma. It was built in 2001, so it is 24 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 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 1,500 vehicles a day, roughly 15% of them trucks, projected to reach 2,400 by 2042. The structure is 209 ft (63.6 m) long and 43 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

Location

Open in Google Maps
CarriesS.H. 108
CrossesSlwc R.R. under
Location8.2 MI N JCT SH 51
RouteState Highway 108
CountyPayne County
StateOklahoma
Coordinates36.2334, -96.92613
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating49.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length209 ft (63.6 m)
Longest span105 ft (32 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2022)
Projected traffic2,400 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed16.8 mi (27 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$2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was S.H. 108 over Slwc R.R. under built?

It was built in 2001, making it 24 years old in 2025.

What condition is S.H. 108 over Slwc R.R. 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 January 2024.

How much traffic does S.H. 108 over Slwc R.R. under carry?

About 1,500 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 108 over Slwc R.R. under?

The structure is 209 ft (63.6 m) long with a longest span of 105 ft (32 m) and a deck 43 ft wide.

Who owns S.H. 108 over Slwc R.R. under?

It is owned by the State Highway Agency.