US Bridges

S.H. 8 over Deep Creek

Fair

Major County, Oklahoma · 2.0 MI N Blaine C/L · Structure no. 131090000000000

Built
1953
72 years old, rebuilt 2010
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
260 ft
1 main span
Daily traffic
1,600
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 8 over Deep Creek is a steel stringer/multi-beam or girder carrying S.H. 8 over Deep Creek in Major County, Oklahoma. It was built in 1953 and reconstructed in 2010, so it is 72 years old, older 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 1,600 vehicles a day, roughly 15% of them trucks, projected to reach 2,560 by 2042. The structure is 260 ft (79.2 m) long and 30 ft wide. If it were closed, the detour would be 34.2 mi (55 km).

Location

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CarriesS.H. 8
CrossesDeep Creek
Location2.0 MI N Blaine C/L
RouteState Highway 8
CountyMajor County
StateOklahoma
Coordinates36.19078, -98.3173
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+4 approach)
Design loadH 15
Structure length260 ft (79.2 m)
Longest span60 ft (18.3 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2022)
Projected traffic2,560 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.2 mi (55 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$2.3 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 8 over Deep Creek built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 2010.

What condition is S.H. 8 over Deep Creek 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 April 2023.

How much traffic does S.H. 8 over Deep Creek carry?

About 1,600 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 8 over Deep Creek?

The structure is 260 ft (79.2 m) long with a longest span of 60 ft (18.3 m) and a deck 30 ft wide.

Who owns S.H. 8 over Deep Creek?

It is owned by the State Highway Agency.