US Bridges

S.H. 7D over Delaware Creek

Fair

Johnston County, Oklahoma · .7 MI N JCT SH7 · Structure no. 190560000000000

Built
1975
50 years old, rebuilt 2009
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
152 ft
3 main spans
Daily traffic
290
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 7D over Delaware Creek is a prestressed concrete stringer/multi-beam or girder carrying S.H. 7D over Delaware Creek in Johnston County, Oklahoma. It was built in 1975 and reconstructed in 2009, so it is 50 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 290 vehicles a day, roughly 15% of them trucks, projected to reach 464 by 2042. The structure is 152 ft (46.3 m) long and 35 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

Location

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CarriesS.H. 7D
CrossesDelaware Creek
Location.7 MI N JCT SH7
RouteState Highway 7D
CountyJohnston County
StateOklahoma
Coordinates34.38938, -96.49616
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64 US tons
Inventory rating38 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length152 ft (46.3 m)
Longest span50 ft (15.2 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic290 (2022)
Projected traffic464 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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. 7D over Delaware Creek built?

It was built in 1975, making it 50 years old in 2025. It was reconstructed in 2009.

What condition is S.H. 7D over Delaware Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.

How much traffic does S.H. 7D over Delaware Creek carry?

About 290 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 7D over Delaware Creek?

The structure is 152 ft (46.3 m) long with a longest span of 50 ft (15.2 m) and a deck 35 ft wide.

Who owns S.H. 7D over Delaware Creek?

It is owned by the State Highway Agency.