US Bridges

Al 77 over Branch

Good

Etowah County, Alabama · 0.8 Miles N Attallacty LN · Structure no. 015465

Built
1991
34 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
66 ft
6 main spans
Daily traffic
15,836
2021 count
Owner
State
State Highway Agency

About this bridge

Al 77 over Branch is a concrete culvert carrying Al 77 over Branch in Etowah County, Alabama. It was built in 1991, so it is 34 years old, younger than the Alabama average of 51.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 15,836 vehicles a day, roughly 9% of them trucks, projected to reach 22,171 by 2041. The structure is 66 ft (20.1 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesAl 77
CrossesBranch
Location0.8 Miles N Attallacty LN
RouteState Highway 77
CountyEtowah County
StateAlabama
Coordinates34, -86.11
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating98 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans6
Design loadHS 20
Structure length66 ft (20.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,836 (2021)
Projected traffic22,171 by 2041
Trucks9%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$1.4 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Al 77 over Branch built?

It was built in 1991, making it 34 years old in 2025.

What condition is Al 77 over Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does Al 77 over Branch carry?

About 15,836 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is Al 77 over Branch?

The structure is 66 ft (20.1 m) long with a longest span of 10 ft (3 m).

Who owns Al 77 over Branch?

It is owned by the State Highway Agency.