US Bridges

S.H. 48 over Delaware Creek

Fair

Johnston County, Oklahoma · 2.2 MI N JCT SH7 · Structure no. 151210000000000

Built
1960
65 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
151 ft
3 main spans
Daily traffic
1,600
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 48 over Delaware Creek is a steel stringer/multi-beam or girder carrying S.H. 48 over Delaware Creek in Johnston County, Oklahoma. It was built in 1960, so it is 65 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 1,600 vehicles a day, roughly 15% of them trucks, projected to reach 2,560 by 2042. The structure is 151 ft (46 m) long and 31 ft wide. If it were closed, the detour would be 47.8 mi (77 km).

CarriesS.H. 48
CrossesDelaware Creek
Location2.2 MI N JCT SH7
RouteState Highway 48
Coordinates34.40669, -96.42449
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating30 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length151 ft (46 m)
Longest span50 ft (15.2 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2022)
Projected traffic2,560 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed47.8 mi (77 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. 48 over Delaware Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is S.H. 48 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. 48 over Delaware Creek carry?

About 1,600 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 48 over Delaware Creek?

The structure is 151 ft (46 m) long with a longest span of 50 ft (15.2 m) and a deck 31 ft wide.

Who owns S.H. 48 over Delaware Creek?

It is owned by the State Highway Agency.