US Bridges

7th St. over Drainage Canal

Good

Pittsburg County, Oklahoma · 150 South of Coal St. · Structure no. 251590000000000

Built
1998
27 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
200
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

7th St. over Drainage Canal is a concrete culvert carrying 7th St. over Drainage Canal in Pittsburg 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 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 200 vehicles a day, roughly 5% of them trucks, projected to reach 320 by 2042. The structure is 32 ft (9.8 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries7th St.
CrossesDrainage Canal
Location150 South of Coal St.
RouteCity Street N4079
CountyPittsburg County
StateOklahoma
Coordinates34.96128, -95.75423
Functional classUrban 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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionAugust 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width40 ft (12.2 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2022)
Projected traffic320 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 7th St. over Drainage Canal built?

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

What condition is 7th St. over Drainage Canal 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 August 2023.

How much traffic does 7th St. over Drainage Canal carry?

About 200 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is 7th St. over Drainage Canal?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 40 ft wide.

Who owns 7th St. over Drainage Canal?

It is owned by the City or Municipal Highway Agency.