US Bridges

S.H. 7 over Keel Creek

Good

Johnston County, Oklahoma · 3.8 MI W JCT SH99 · Structure no. 042030000000000

Built
1934
91 years old, rebuilt 2022
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
61 ft
1 main span
Daily traffic
490
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 7 over Keel Creek is a steel stringer/multi-beam or girder carrying S.H. 7 over Keel Creek in Johnston County, Oklahoma. It was built in 1934 and reconstructed in 2022, so it is 91 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 490 vehicles a day, roughly 18% of them trucks, projected to reach 690 by 2042. The structure is 61 ft (18.6 m) long and 42 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

Location

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CarriesS.H. 7
CrossesKeel Creek
Location3.8 MI W JCT SH99
RouteState Highway 7
CountyJohnston County
StateOklahoma
Coordinates34.34963, -96.70187
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 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
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length61 ft (18.6 m)
Longest span60 ft (18.3 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic490 (2022)
Projected traffic690 by 2042
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 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$1.2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 7 over Keel Creek built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 2022.

What condition is S.H. 7 over Keel 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 Keel Creek carry?

About 490 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is S.H. 7 over Keel Creek?

The structure is 61 ft (18.6 m) long with a longest span of 60 ft (18.3 m) and a deck 42 ft wide.

Who owns S.H. 7 over Keel Creek?

It is owned by the State Highway Agency.