US Bridges

S.H. 7 over Sulphur Branch Creek

Good

Johnston County, Oklahoma · 1.5 MI W JCT SH48 · Structure no. 037050000000000

Built
1932
93 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
59 ft
3 main spans
Daily traffic
1,100
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 7 over Sulphur Branch Creek is a concrete culvert carrying S.H. 7 over Sulphur Branch Creek in Johnston County, Oklahoma. It was built in 1932, so it is 93 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 1,100 vehicles a day, roughly 15% of them trucks, projected to reach 1,760 by 2042. The structure is 59 ft (18 m) long. If it were closed, the detour would be 57.2 mi (92 km).

Location

Open in Google Maps
CarriesS.H. 7
CrossesSulphur Branch Creek
Location1.5 MI W JCT SH48
RouteState Highway 7
CountyJohnston County
StateOklahoma
Coordinates34.37557, -96.45337
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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating43.8 US tons
Inventory rating26.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 20
Structure length59 ft (18 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2022)
Projected traffic1,760 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed57.2 mi (92 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$644,000
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 7 over Sulphur Branch Creek built?

It was built in 1932, making it 93 years old in 2025.

What condition is S.H. 7 over Sulphur Branch 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 May 2024.

How much traffic does S.H. 7 over Sulphur Branch Creek carry?

About 1,100 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 7 over Sulphur Branch Creek?

The structure is 59 ft (18 m) long with a longest span of 14 ft (4.3 m).

Who owns S.H. 7 over Sulphur Branch Creek?

It is owned by the State Highway Agency.