US Bridges

E0670 over Flat Rock Creek

FairPosted for load

Wagoner County, Oklahoma · 2.0S Mayes Cl; 1.1W US 69 · Structure no. 102520000000000

Built
1945
80 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete
Length
36 ft
2 main spans
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

E0670 over Flat Rock Creek is a concrete slab carrying E0670 over Flat Rock Creek in Wagoner County, Oklahoma. It was built in 1945, so it is 80 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. Its operating status is: posted for load restriction.

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 23 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesE0670
CrossesFlat Rock Creek
Location2.0S Mayes Cl; 1.1W US 69
RouteCounty Highway E0670
CountyWagoner County
StateOklahoma
Coordinates36.04624, -95.38956
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 inspectionJuly 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 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 rating29.7 US tons
Inventory rating17.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length36 ft (11 m)
Longest span17 ft (5.2 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.1 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 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$294,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E0670 over Flat Rock Creek built?

It was built in 1945, making it 80 years old in 2025.

What condition is E0670 over Flat Rock 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 July 2024.

How much traffic does E0670 over Flat Rock Creek carry?

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

How long is E0670 over Flat Rock Creek?

The structure is 36 ft (11 m) long with a longest span of 17 ft (5.2 m) and a deck 23 ft wide.

Who owns E0670 over Flat Rock Creek?

It is owned by the County Highway Agency.