US Bridges

IRR E1530 over Creek

Fair

Kiowa County, Oklahoma · 4. S .7 E of Cooperton · Structure no. 029130000000000

Built
1930
95 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
42 ft
2 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

IRR E1530 over Creek is a concrete culvert carrying IRR E1530 over Creek in Kiowa County, Oklahoma. It was built in 1930, so it is 95 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 42 ft (12.8 m) long and 23 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesIRR E1530
CrossesCreek
Location4. S .7 E of Cooperton
RouteCounty Highway E1530
Coordinates34.79799, -98.84949
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length42 ft (12.8 m)
Longest span20 ft (6.1 m)
Deck width23 ft (7.1 m)
Roadway width21 ft (6.4 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 closed3.7 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR E1530 over Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is IRR E1530 over 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 October 2023.

How much traffic does IRR E1530 over Creek carry?

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

How long is IRR E1530 over Creek?

The structure is 42 ft (12.8 m) long with a longest span of 20 ft (6.1 m) and a deck 23 ft wide.

Who owns IRR E1530 over Creek?

It is owned by the County Highway Agency.