US Bridges

Broad ST over Coosa River

FairPosted for load

Etowah County, Alabama · Broad ST * Coosa River · Structure no. 000406

Built
1927
98 years old
Condition
Fair
inspected January 2024
Type
Arch - Deck
Concrete
Length
1,350 ft
12 main spans
Daily traffic
16,100
2025 count
Owner
City
City or Municipal Highway Agency

About this bridge

Broad ST over Coosa River is a concrete arch - deck carrying Broad ST over Coosa River in Etowah County, Alabama. It was built in 1927, so it is 98 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 16,100 vehicles a day, roughly 1% of them trucks, projected to reach 24,000 by 2045. The structure is 1,350 ft (411.5 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesBroad ST
CrossesCoosa River
LocationBroad ST * Coosa River
RouteCity Street 0
CountyEtowah County
StateAlabama
Coordinates34.0103, -85.9977
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating10 US tons
Inventory rating7.1 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans12
Design loadH 15
Structure length1,350 ft (411.5 m)
Longest span137 ft (41.8 m)
Deck width35 ft (10.7 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,100 (2025)
Projected traffic24,000 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
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 statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$10.9 million (2025 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Broad ST over Coosa River built?

It was built in 1927, making it 98 years old in 2025.

What condition is Broad ST over Coosa River 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 January 2024.

How much traffic does Broad ST over Coosa River carry?

About 16,100 vehicles per day (2025 count), of which roughly 1% are trucks.

How long is Broad ST over Coosa River?

The structure is 1,350 ft (411.5 m) long with a longest span of 137 ft (41.8 m) and a deck 35 ft wide.

Who owns Broad ST over Coosa River?

It is owned by the City or Municipal Highway Agency.