US Bridges

Entrance Road over Unnamed Field Drainage

Good

Sequoyah County, Oklahoma · Gravel RD-1/4 MI N of Hq · Structure no. 000021640-00029

Built
1940
85 years old
Condition
Good
inspected April 2022
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
50
2022 count
Owner
Federal
Bureau of Fish and Wildlife

About this bridge

Entrance Road over Unnamed Field Drainage is a concrete culvert carrying Entrance Road over Unnamed Field Drainage in Sequoyah County, Oklahoma. It was built in 1940, so it is 85 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.

It carries about 50 vehicles a day, projected to reach 60 by 2042. The structure is 22 ft (6.7 m) long and 23 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesEntrance Road
CrossesUnnamed Field Drainage
LocationGravel RD-1/4 MI N of Hq
RouteFederal Lands Road 0
CountySequoyah County
StateOklahoma
Coordinates35.45117, -94.97333
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span12 ft (3.7 m)
Deck width23 ft (7.1 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic50 (2022)
Projected traffic60 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Fish and Wildlife
Maintained byBureau of Fish and Wildlife
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Entrance Road over Unnamed Field Drainage built?

It was built in 1940, making it 85 years old in 2025.

What condition is Entrance Road over Unnamed Field Drainage 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 2022.

How much traffic does Entrance Road over Unnamed Field Drainage carry?

About 50 vehicles per day (2022 count).

How long is Entrance Road over Unnamed Field Drainage?

The structure is 22 ft (6.7 m) long with a longest span of 12 ft (3.7 m) and a deck 23 ft wide.

Who owns Entrance Road over Unnamed Field Drainage?

It is owned by the Bureau of Fish and Wildlife.