US Bridges

Al - 7 (us 11) over Lil Cahaba Rv

Fair

Jefferson County, Alabama · US 11 North of Trussville · Structure no. 000486

Built
1928
97 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Concrete
Length
80 ft
3 main spans
Daily traffic
6,009
2023 count
Owner
State
State Highway Agency

About this bridge

Al - 7 (us 11) over Lil Cahaba Rv is a concrete tee beam carrying Al - 7 (us 11) over Lil Cahaba Rv in Jefferson County, Alabama. It was built in 1928, so it is 97 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 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 6,009 vehicles a day, roughly 19% of them trucks, projected to reach 10,853 by 2043. The structure is 80 ft (24.4 m) long and 25 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesAl - 7 (us 11)
CrossesLil Cahaba Rv
LocationUS 11 North of Trussville
RouteU.S. Route 11
CountyJefferson County
StateAlabama
Coordinates33.66306, -86.54389
Functional classRural Major Collector

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.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.1 US tons
Inventory rating41.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length80 ft (24.4 m)
Longest span27 ft (8.2 m)
Deck width25 ft (7.5 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,009 (2023)
Projected traffic10,853 by 2043
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$598,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Al - 7 (us 11) over Lil Cahaba Rv built?

It was built in 1928, making it 97 years old in 2025.

What condition is Al - 7 (us 11) 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 2023.

How much traffic does Al - 7 (us 11) over Lil Cahaba Rv carry?

About 6,009 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is Al - 7 (us 11) over Lil Cahaba Rv?

The structure is 80 ft (24.4 m) long with a longest span of 27 ft (8.2 m) and a deck 25 ft wide.

Who owns Al - 7 (us 11) over Lil Cahaba Rv?

It is owned by the State Highway Agency.