US Bridges

S.H. 31A over Hegwood Creek

Good

Hughes County, Oklahoma · 1.1 MI N JCT SH 31 · Structure no. 247840000000000

Built
1999
26 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
41 ft
3 main spans
Daily traffic
1,200
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 31A over Hegwood Creek is a concrete culvert carrying S.H. 31A over Hegwood Creek in Hughes County, Oklahoma. It was built in 1999, so it is 26 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 1,200 vehicles a day, roughly 15% of them trucks, projected to reach 1,920 by 2042. The structure is 41 ft (12.5 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesS.H. 31A
CrossesHegwood Creek
Location1.1 MI N JCT SH 31
RouteState Highway 31A
CountyHughes County
StateOklahoma
Coordinates34.85251, -96.08963
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length41 ft (12.5 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2022)
Projected traffic1,920 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$648,000
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 31A over Hegwood Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is S.H. 31A over Hegwood 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 March 2024.

How much traffic does S.H. 31A over Hegwood Creek carry?

About 1,200 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 31A over Hegwood Creek?

The structure is 41 ft (12.5 m) long with a longest span of 13 ft (4 m).

Who owns S.H. 31A over Hegwood Creek?

It is owned by the State Highway Agency.