US Bridges

E0490 over Six Pony Creek

Fair

Ellis County, Oklahoma · 2N 1.9W of Shattuck · Structure no. 140070000000000

Built
1958
67 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
105
2022 count
Owner
County
County Highway Agency

About this bridge

E0490 over Six Pony Creek is a concrete culvert carrying E0490 over Six Pony Creek in Ellis County, Oklahoma. It was built in 1958, so it is 67 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 5 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 105 vehicles a day, roughly 15% of them trucks, projected to reach 168 by 2042. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesE0490
CrossesSix Pony Creek
Location2N 1.9W of Shattuck
RouteCounty Highway E0490
Coordinates36.30436, -99.91644
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 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
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

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic105 (2022)
Projected traffic168 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E0490 over Six Pony Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is E0490 over Six Pony 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 April 2024.

How much traffic does E0490 over Six Pony Creek carry?

About 105 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is E0490 over Six Pony Creek?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).

Who owns E0490 over Six Pony Creek?

It is owned by the County Highway Agency.