US Bridges

E1430 over Creek

PoorPosted for load

Grady County, Oklahoma · 1.S 1.9W JCT US81 US277 · Structure no. 085040000000000

Built
1940
85 years old
Condition
Poor
inspected October 2024
Type
Slab
Concrete
Length
36 ft
3 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

E1430 over Creek is a concrete slab carrying E1430 over Creek in Grady County, Oklahoma. It was built in 1940, so it is 85 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 36 ft (11 m) long and 38 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesE1430
CrossesCreek
Location1.S 1.9W JCT US81 US277
RouteCounty Highway E1430
Coordinates34.94226, -97.98568
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable 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 span12 ft (3.7 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks10%
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$298,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E1430 over Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is E1430 over Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does E1430 over Creek carry?

About 100 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is E1430 over Creek?

The structure is 36 ft (11 m) long with a longest span of 12 ft (3.7 m) and a deck 38 ft wide.

Who owns E1430 over Creek?

It is owned by the County Highway Agency.