US Bridges

E0430 over Black Bear Creek

Fair

Garfield County, Oklahoma · .5S 4.9W of US64/SH74 · Structure no. 109180000000000

Built
1924
101 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
72 ft
3 main spans
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

E0430 over Black Bear Creek is a concrete stringer/multi-beam or girder carrying E0430 over Black Bear Creek in Garfield County, Oklahoma. It was built in 1924, so it is 101 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 80 by 2042. The structure is 72 ft (21.9 m) long and 23 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesE0430
CrossesBlack Bear Creek
Location.5S 4.9W of US64/SH74
RouteCounty Highway E0430
Coordinates36.39041, -97.67461
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length72 ft (21.9 m)
Longest span35 ft (10.7 m)
Deck width23 ft (6.9 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic80 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$426,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E0430 over Black Bear Creek built?

It was built in 1924, making it 101 years old in 2025.

What condition is E0430 over Black Bear 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 March 2024.

How much traffic does E0430 over Black Bear Creek carry?

About 50 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is E0430 over Black Bear Creek?

The structure is 72 ft (21.9 m) long with a longest span of 35 ft (10.7 m) and a deck 23 ft wide.

Who owns E0430 over Black Bear Creek?

It is owned by the County Highway Agency.