US Bridges

S.H. 58 over Medicine Lodge R. Oflow

Good

Alfalfa County, Oklahoma · 1.1 E of S.H. 8 JCT · Structure no. 311650000000000

Built
2017
8 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
325 ft
5 main spans
Daily traffic
400
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 58 over Medicine Lodge R. Oflow is a prestressed concrete stringer/multi-beam or girder carrying S.H. 58 over Medicine Lodge R. Oflow 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 400 vehicles a day, roughly 15% of them trucks, projected to reach 600 by 2042. The structure is 325 ft (99.1 m) long and 42 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

Location

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CarriesS.H. 58
CrossesMedicine Lodge R. Oflow
Location1.1 E of S.H. 8 JCT
RouteState Highway 58
CountyAlfalfa County
StateOklahoma
Coordinates36.8988, -98.33736
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 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 rating51.9 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length325 ft (99.1 m)
Longest span65 ft (19.8 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2022)
Projected traffic600 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 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. 58 over Medicine Lodge R. Oflow built?

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

What condition is S.H. 58 over Medicine Lodge R. Oflow 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 September 2023.

How much traffic does S.H. 58 over Medicine Lodge R. Oflow carry?

About 400 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 58 over Medicine Lodge R. Oflow?

The structure is 325 ft (99.1 m) long with a longest span of 65 ft (19.8 m) and a deck 42 ft wide.

Who owns S.H. 58 over Medicine Lodge R. Oflow?

It is owned by the State Highway Agency.