US Bridges

E0360 over Unknown Creek

GoodPosted for load

Mayes County, Oklahoma · 3.8 E. 1.0 N. Patton · Structure no. 096500000000000

Built
1941
84 years old
Condition
Good
inspected April 2023
Type
Slab
Concrete
Length
20 ft
1 main span
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

E0360 over Unknown Creek is a concrete slab carrying E0360 over Unknown Creek in Mayes 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. 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 20 ft (6.1 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesE0360
CrossesUnknown Creek
Location3.8 E. 1.0 N. Patton
RouteCounty Highway E0360
CountyMayes County
StateOklahoma
Coordinates36.4959, -95.1874
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating10.8 US tons
Inventory rating6.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 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 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 E0360 over Unknown Creek built?

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

What condition is E0360 over Unknown 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 April 2023.

How much traffic does E0360 over Unknown Creek carry?

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

How long is E0360 over Unknown Creek?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.

Who owns E0360 over Unknown Creek?

It is owned by the County Highway Agency.