US Bridges

0428C over Coon Creek

Fair

Beaver County, Oklahoma · 11.W 4.S .3W of Slapout · Structure no. 052820000000000

Built
1937
88 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
36 ft
3 main spans
Daily traffic
60
2022 count
Owner
County
County Highway Agency

About this bridge

0428C over Coon Creek is a concrete slab carrying 0428C over Coon Creek in Beaver 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 6 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 60 vehicles a day, roughly 15% of them trucks, projected to reach 96 by 2042. The structure is 36 ft (11 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries0428C
CrossesCoon Creek
Location11.W 4.S .3W of Slapout
RouteCounty Highway 428C
Coordinates36.55799, -100.3155
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 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 geometry6: Equal to present minimum criteria
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 spans3
Design loadUnknown
Structure length36 ft (11 m)
Longest span10 ft (3 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 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$294,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 0428C over Coon Creek built?

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

What condition is 0428C over Coon 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 January 2024.

How much traffic does 0428C over Coon Creek carry?

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

How long is 0428C over Coon Creek?

The structure is 36 ft (11 m) long with a longest span of 10 ft (3 m) and a deck 28 ft wide.

Who owns 0428C over Coon Creek?

It is owned by the County Highway Agency.