US Bridges

E1447 (seneca) over Drainage Canal

Fair

Pittsburg County, Oklahoma · 500 E of 9 St. · Structure no. 188430000000000

Built
1975
50 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
200
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

E1447 (seneca) over Drainage Canal is a concrete culvert carrying E1447 (seneca) over Drainage Canal in Pittsburg County, Oklahoma. It was built in 1975, so it is 50 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.

It carries about 200 vehicles a day, roughly 5% of them trucks, projected to reach 320 by 2042. The structure is 25 ft (7.6 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesE1447 (seneca)
CrossesDrainage Canal
Location500 E of 9 St.
RouteCity Street E1447
CountyPittsburg County
StateOklahoma
Coordinates34.91835, -95.76067
Functional classUrban 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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.3 US tons
Inventory rating29.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length25 ft (7.6 m)
Longest span11 ft (3.4 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.4 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 E1447 (seneca) over Drainage Canal built?

It was built in 1975, making it 50 years old in 2025.

What condition is E1447 (seneca) over Drainage Canal 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 August 2023.

How much traffic does E1447 (seneca) over Drainage Canal carry?

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

How long is E1447 (seneca) over Drainage Canal?

The structure is 25 ft (7.6 m) long with a longest span of 11 ft (3.4 m) and a deck 33 ft wide.

Who owns E1447 (seneca) over Drainage Canal?

It is owned by the City or Municipal Highway Agency.