US Bridges

7758C over Hackberry Creek

FairPosted for load

Woodward County, Oklahoma · 6.1E 1.9S of Sharon · Structure no. 249610000000000

Built
1998
27 years old
Condition
Fair
inspected May 2024
Type
Tee Beam
Prestressed Concrete
Length
91 ft
3 main spans
Daily traffic
60
2022 count
Owner
County
County Highway Agency

About this bridge

7758C over Hackberry Creek is a prestressed concrete tee beam carrying 7758C over Hackberry Creek in Woodward County, Oklahoma. It was built in 1998, so it is 27 years old, younger 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 60 vehicles a day, roughly 15% of them trucks, projected to reach 96 by 2042. The structure is 91 ft (27.7 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries7758C
CrossesHackberry Creek
Location6.1E 1.9S of Sharon
RouteCounty Highway 7758C
Coordinates36.24898, -99.22866
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating29 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length91 ft (27.7 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2022)
Projected traffic96 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$483,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 7758C over Hackberry Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is 7758C over Hackberry 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 7758C over Hackberry Creek carry?

About 60 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 7758C over Hackberry Creek?

The structure is 91 ft (27.7 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns 7758C over Hackberry Creek?

It is owned by the County Highway Agency.