US Bridges

5406C over Walnut Creek

Fair

Okfuskee County, Oklahoma · 2.0 N 0.2 E of Mason · Structure no. 199320000000000

Built
1981
44 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete
Length
45 ft
1 main span
Daily traffic
145
2022 count
Owner
County
County Highway Agency

About this bridge

5406C over Walnut Creek is a concrete tee beam carrying 5406C over Walnut Creek in Okfuskee 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 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 145 vehicles a day, roughly 15% of them trucks, projected to reach 232 by 2042. The structure is 45 ft (13.7 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries5406C
CrossesWalnut Creek
Location2.0 N 0.2 E of Mason
RouteCounty Highway 5406C
Coordinates35.59536, -96.34969
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.
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 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 alignment6: Equal to present minimum criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+1 approach)
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span45 ft (13.7 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic145 (2022)
Projected traffic232 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$331,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 5406C over Walnut Creek built?

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

What condition is 5406C over Walnut 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 July 2024.

How much traffic does 5406C over Walnut Creek carry?

About 145 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 5406C over Walnut Creek?

The structure is 45 ft (13.7 m) long with a longest span of 45 ft (13.7 m) and a deck 28 ft wide.

Who owns 5406C over Walnut Creek?

It is owned by the County Highway Agency.