US Bridges

IRR E0840 over Creek

Fair

Blaine County, Oklahoma · 4. S 5.5 W Watonga · Structure no. 058110000000000

Built
1938
87 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete
Length
36 ft
2 main spans
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

IRR E0840 over Creek is a concrete slab carrying IRR E0840 over Creek in Blaine County, Oklahoma. It was built in 1938, so it is 87 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 36 ft (11 m) long and 29 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesIRR E0840
CrossesCreek
Location4. S 5.5 W Watonga
RouteCounty Highway E0840
Coordinates35.79756, -98.50158
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 inspectionJune 2023
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
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length36 ft (11 m)
Longest span10 ft (3 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 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 closed8.1 mi (13 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$236,000
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR E0840 over Creek built?

It was built in 1938, making it 87 years old in 2025.

What condition is IRR E0840 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 June 2023.

How much traffic does IRR E0840 over Creek carry?

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

How long is IRR E0840 over Creek?

The structure is 36 ft (11 m) long with a longest span of 10 ft (3 m) and a deck 29 ft wide.

Who owns IRR E0840 over Creek?

It is owned by the County Highway Agency.