US Bridges

S.H. 74B over North Fork Creek

Good

McClain County, Oklahoma · 6.0 Mi. E. Jct. SH76 · Structure no. 240610000000000

Built
1995
30 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
151 ft
3 main spans
Daily traffic
1,300
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 74B over North Fork Creek is a prestressed concrete stringer/multi-beam or girder carrying S.H. 74B over North Fork Creek in McClain County, Oklahoma. It was built in 1995, so it is 30 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 1,300 vehicles a day, roughly 15% of them trucks, projected to reach 2,080 by 2042. The structure is 151 ft (46 m) long and 42 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

Location

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CarriesS.H. 74B
CrossesNorth Fork Creek
Location6.0 Mi. E. Jct. SH76
RouteState Highway 74B
CountyMcClain County
StateOklahoma
Coordinates35.10233, -97.54779
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73 US tons
Inventory rating44 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length151 ft (46 m)
Longest span50 ft (15.2 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2022)
Projected traffic2,080 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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. 74B over North Fork Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is S.H. 74B over North Fork 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. 74B over North Fork Creek carry?

About 1,300 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 74B over North Fork Creek?

The structure is 151 ft (46 m) long with a longest span of 50 ft (15.2 m) and a deck 42 ft wide.

Who owns S.H. 74B over North Fork Creek?

It is owned by the State Highway Agency.