US Bridges

S.H. 31 over Muddy Boggy Creek

Good

Coal County, Oklahoma · 3.3 MI NE US75 · Structure no. 230540000000000

Built
1992
33 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
302 ft
3 main spans
Daily traffic
900
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 31 over Muddy Boggy Creek is a prestressed concrete stringer/multi-beam or girder carrying S.H. 31 over Muddy Boggy Creek in Coal County, Oklahoma. It was built in 1992, so it is 33 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 900 vehicles a day, roughly 15% of them trucks, projected to reach 1,440 by 2042. The structure is 302 ft (92 m) long and 34 ft wide. If it were closed, the detour would be 42.3 mi (68 km).

CarriesS.H. 31
CrossesMuddy Boggy Creek
Location3.3 MI NE US75
RouteState Highway 31
Coordinates34.57292, -96.18113
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating42 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length302 ft (92 m)
Longest span100 ft (30.5 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic900 (2022)
Projected traffic1,440 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed42.3 mi (68 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$2.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 31 over Muddy Boggy Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is S.H. 31 over Muddy Boggy 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 October 2024.

How much traffic does S.H. 31 over Muddy Boggy Creek carry?

About 900 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 31 over Muddy Boggy Creek?

The structure is 302 ft (92 m) long with a longest span of 100 ft (30.5 m) and a deck 34 ft wide.

Who owns S.H. 31 over Muddy Boggy Creek?

It is owned by the State Highway Agency.