US Bridges

5414C over Cow Creek

Fair

Okfuskee County, Oklahoma · 2.S 7.5 E Mason · Structure no. 054730000000000

Built
1937
88 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete
Length
101 ft
5 main spans
Daily traffic
120
2022 count
Owner
County
County Highway Agency

About this bridge

5414C over Cow Creek is a concrete slab carrying 5414C over Cow Creek in Okfuskee County, Oklahoma. It was built in 1937, so it is 88 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 120 vehicles a day, roughly 15% of them trucks, projected to reach 192 by 2042. The structure is 101 ft (30.8 m) long and 21 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries5414C
CrossesCow Creek
Location2.S 7.5 E Mason
RouteCounty Highway 5414C
Coordinates35.53663, -96.22073
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length101 ft (30.8 m)
Longest span20 ft (6.1 m)
Deck width21 ft (6.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2022)
Projected traffic192 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$511,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 5414C over Cow Creek built?

It was built in 1937, making it 88 years old in 2025.

What condition is 5414C over Cow 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 5414C over Cow Creek carry?

About 120 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 5414C over Cow Creek?

The structure is 101 ft (30.8 m) long with a longest span of 20 ft (6.1 m) and a deck 21 ft wide.

Who owns 5414C over Cow Creek?

It is owned by the County Highway Agency.