US Bridges

U.S. 31W over Seaboard Railroad

FairPosted for load

Warren County, Kentucky · .15 MI N of Ky 446 Ntr · Structure no. 114B00005N

Built
1954
71 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete Continuous
Length
200 ft
3 main spans
Daily traffic
18,445
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 31W over Seaboard Railroad is a concrete continuous tee beam carrying U.S. 31W over Seaboard Railroad in Warren County, Kentucky. It was built in 1954, so it is 71 years old, older than the Kentucky average of 46.6 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 18,445 vehicles a day, roughly 16% of them trucks, projected to reach 18,445 by 2042. The structure is 200 ft (61 m) long and 65 ft wide.

Location

Open in Google Maps
CarriesU.S. 31W
CrossesSeaboard Railroad
Location.15 MI N of Ky 446 Ntr
RouteU.S. Route 31
CountyWarren County
StateKentucky
Coordinates37.01278, -86.37944
Functional classUrban Minor Arterial

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.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.5 US tons
Inventory rating21.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length200 ft (61 m)
Longest span80 ft (24.4 m)
Deck width65 ft (19.7 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,445 (2022)
Projected traffic18,445 by 2042
Trucks16%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was U.S. 31W over Seaboard Railroad built?

It was built in 1954, making it 71 years old in 2025.

What condition is U.S. 31W over Seaboard Railroad 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 2024.

How much traffic does U.S. 31W over Seaboard Railroad carry?

About 18,445 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is U.S. 31W over Seaboard Railroad?

The structure is 200 ft (61 m) long with a longest span of 80 ft (24.4 m) and a deck 65 ft wide.

Who owns U.S. 31W over Seaboard Railroad?

It is owned by the State Highway Agency.