US Bridges

E1430 over Creek

Good

Greer County, Oklahoma · 4. N .7 W of Mangum · Structure no. 096930000000000

Built
1941
84 years old
Condition
Good
inspected January 2024
Type
Slab
Concrete Continuous
Length
37 ft
2 main spans
Daily traffic
25
2022 count
Owner
County
County Highway Agency

About this bridge

E1430 over Creek is a concrete continuous slab carrying E1430 over Creek in Greer County, Oklahoma. It was built in 1941, so it is 84 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 25 vehicles a day, roughly 10% of them trucks, projected to reach 40 by 2042. The structure is 37 ft (11.3 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesE1430
CrossesCreek
Location4. N .7 W of Mangum
RouteCounty Highway E1430
Coordinates34.94384, -99.51661
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length37 ft (11.3 m)
Longest span14 ft (4.3 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2022)
Projected traffic40 by 2042
Trucks10%
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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$298,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E1430 over Creek built?

It was built in 1941, making it 84 years old in 2025.

What condition is E1430 over Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does E1430 over Creek carry?

About 25 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is E1430 over Creek?

The structure is 37 ft (11.3 m) long with a longest span of 14 ft (4.3 m) and a deck 27 ft wide.

Who owns E1430 over Creek?

It is owned by the County Highway Agency.