US Bridges

S.H. 59 over Finn Creek

Good

McClain County, Oklahoma · 2.8 Mi.W. Jct. SH74 · Structure no. 185260000000000

Built
1973
52 years old, rebuilt 2012
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
152 ft
3 main spans
Daily traffic
450
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 59 over Finn Creek is a prestressed concrete stringer/multi-beam or girder carrying S.H. 59 over Finn Creek in McClain County, Oklahoma. It was built in 1973 and reconstructed in 2012, so it is 52 years old, older 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 450 vehicles a day, roughly 15% of them trucks, projected to reach 720 by 2042. The structure is 152 ft (46.3 m) long and 35 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

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CarriesS.H. 59
CrossesFinn Creek
Location2.8 Mi.W. Jct. SH74
RouteState Highway 59
CountyMcClain County
StateOklahoma
Coordinates34.91343, -97.45624
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length152 ft (46.3 m)
Longest span50 ft (15.2 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2022)
Projected traffic720 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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$1.8 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 59 over Finn Creek built?

It was built in 1973, making it 52 years old in 2025. It was reconstructed in 2012.

What condition is S.H. 59 over Finn Creek 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 July 2023.

How much traffic does S.H. 59 over Finn Creek carry?

About 450 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 59 over Finn Creek?

The structure is 152 ft (46.3 m) long with a longest span of 50 ft (15.2 m) and a deck 35 ft wide.

Who owns S.H. 59 over Finn Creek?

It is owned by the State Highway Agency.