US Bridges

E0640 over Flat Rock Creek

Fair

Mayes County, Oklahoma · 6.7S & 3W of Chouteau · Structure no. 257590000000000

Built
1998
27 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
48 ft
1 main span
Daily traffic
500
2022 count
Owner
County
County Highway Agency

About this bridge

E0640 over Flat Rock Creek is a steel stringer/multi-beam or girder carrying E0640 over Flat Rock Creek in Mayes County, Oklahoma. It was built in 1998, so it is 27 years old, younger 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 500 vehicles a day, roughly 15% of them trucks, projected to reach 800 by 2042. The structure is 48 ft (14.6 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesE0640
CrossesFlat Rock Creek
Location6.7S & 3W of Chouteau
RouteCounty Highway 4932C
CountyMayes County
StateOklahoma
Coordinates36.08973, -95.39857
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating101 US tons
Inventory rating60.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length48 ft (14.6 m)
Longest span46 ft (14 m)
Deck width27 ft (8.1 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2022)
Projected traffic800 by 2042
Trucks15%
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$342,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E0640 over Flat Rock Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is E0640 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 April 2023.

How much traffic does E0640 over Flat Rock Creek carry?

About 500 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is E0640 over Flat Rock Creek?

The structure is 48 ft (14.6 m) long with a longest span of 46 ft (14 m) and a deck 27 ft wide.

Who owns E0640 over Flat Rock Creek?

It is owned by the County Highway Agency.