US Bridges

Cahaba Beach Road over Little Cahaba River

PoorClosed to traffic

Shelby County, Alabama · 1.8 Miles North of US 280 · Structure no. 000024

Built
1904
121 years old
Condition
Poor
inspected October 2019
Type
Truss - Thru
Steel
Length
110 ft
1 main span
Daily traffic
100
1996 count
Owner
City
City or Municipal Highway Agency

About this bridge

Cahaba Beach Road over Little Cahaba River is a steel truss - thru carrying Cahaba Beach Road over Little Cahaba River in Shelby County, Alabama. It was built in 1904, so it is 121 years old, older than the Alabama average of 51.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 2 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 100 vehicles a day, roughly 1% of them trucks, projected to reach 138 by 2019. The structure is 110 ft (33.5 m) long and 11 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCahaba Beach Road
CrossesLittle Cahaba River
Location1.8 Miles North of US 280
RouteCity Street 0
StateAlabama
Coordinates33.43977, -86.69927
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2019
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourScour evaluation has not been made
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length110 ft (33.5 m)
Longest span110 ft (33.5 m)
Deck width11 ft (3.5 m)
Roadway width11 ft (3.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (1996)
Projected traffic138 by 2019
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$351,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cahaba Beach Road over Little Cahaba River built?

It was built in 1904, making it 121 years old in 2025.

What condition is Cahaba Beach Road over Little Cahaba River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2019.

How much traffic does Cahaba Beach Road over Little Cahaba River carry?

About 100 vehicles per day (1996 count), of which roughly 1% are trucks.

How long is Cahaba Beach Road over Little Cahaba River?

The structure is 110 ft (33.5 m) long with a longest span of 110 ft (33.5 m) and a deck 11 ft wide.

Who owns Cahaba Beach Road over Little Cahaba River?

It is owned by the City or Municipal Highway Agency.