US Bridges

Lane DR over Lil Cahaba Rv

FairPosted for load

Jefferson County, Alabama · Lane DR * Ashville RD · Structure no. 001640

Built
1937
88 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
46 ft
3 main spans
Daily traffic
1,060
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lane DR over Lil Cahaba Rv is a steel stringer/multi-beam or girder carrying Lane DR over Lil Cahaba Rv in Jefferson County, Alabama. It was built in 1937, so it is 88 years old, older than the Alabama average of 51.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 1,060 vehicles a day, roughly 1% of them trucks, projected to reach 1,500 by 2044. The structure is 46 ft (14 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLane DR
CrossesLil Cahaba Rv
LocationLane DR * Ashville RD
RouteCity Street 0
CountyJefferson County
StateAlabama
Coordinates33.5497, -86.543
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating29.7 US tons
Inventory rating20 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length46 ft (14 m)
Longest span21 ft (6.4 m)
Deck width39 ft (11.8 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,060 (2024)
Projected traffic1,500 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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$595,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lane DR over Lil Cahaba Rv built?

It was built in 1937, making it 88 years old in 2025.

What condition is Lane DR over Lil Cahaba Rv 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 March 2024.

How much traffic does Lane DR over Lil Cahaba Rv carry?

About 1,060 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Lane DR over Lil Cahaba Rv?

The structure is 46 ft (14 m) long with a longest span of 21 ft (6.4 m) and a deck 39 ft wide.

Who owns Lane DR over Lil Cahaba Rv?

It is owned by the City or Municipal Highway Agency.