US Bridges

7439C over Fish Creek

Poor

Washington County, Oklahoma · 2. S 1.5 E of US 60 · Structure no. 199440000000000

Built
1981
44 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
375
2022 count
Owner
County
County Highway Agency

About this bridge

7439C over Fish Creek is a prestressed concrete stringer/multi-beam or girder carrying 7439C over Fish Creek in Washington County, Oklahoma. It was built in 1981, so it is 44 years old, younger than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 375 vehicles a day, roughly 15% of them trucks, projected to reach 600 by 2042. The structure is 64 ft (19.5 m) long and 29 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Carries7439C
CrossesFish Creek
Location2. S 1.5 E of US 60
RouteCounty Highway 7439C
Coordinates36.69893, -95.90645
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length64 ft (19.5 m)
Longest span62 ft (18.9 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic375 (2022)
Projected traffic600 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$393,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 7439C over Fish Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is 7439C over Fish Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does 7439C over Fish Creek carry?

About 375 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 7439C over Fish Creek?

The structure is 64 ft (19.5 m) long with a longest span of 62 ft (18.9 m) and a deck 29 ft wide.

Who owns 7439C over Fish Creek?

It is owned by the County Highway Agency.