US Bridges

I -59 over Branch

Fair

St. Clair County, Alabama · .1 TH MI No Ags RR · Structure no. 007225

Built
1961
64 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
31 ft
2 main spans
Daily traffic
26,510
2023 count
Owner
State
State Highway Agency

About this bridge

I -59 over Branch is a concrete culvert carrying I -59 over Branch in St. Clair County, Alabama. It was built in 1961, so it is 64 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: open, would be posted or closed except for temporary shoring.

It carries about 26,510 vehicles a day, roughly 26% of them trucks, projected to reach 32,799 by 2043. The structure is 31 ft (9.5 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI -59
CrossesBranch
Location.1 TH MI No Ags RR
RouteInterstate 59
CountySt. Clair County
StateAlabama
Coordinates33.72556, -86.50306
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, would be posted or closed except for temporary shoring
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating98 US tons
Inventory rating98 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length31 ft (9.5 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,510 (2023)
Projected traffic32,799 by 2043
Trucks26%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$4.1 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I -59 over Branch built?

It was built in 1961, making it 64 years old in 2025.

What condition is I -59 over Branch 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 June 2023.

How much traffic does I -59 over Branch carry?

About 26,510 vehicles per day (2023 count), of which roughly 26% are trucks.

How long is I -59 over Branch?

The structure is 31 ft (9.5 m) long with a longest span of 15 ft (4.6 m).

Who owns I -59 over Branch?

It is owned by the State Highway Agency.