US Bridges

US 90 over Branch

Fair

Mobile County, Alabama · 0.7 MI SW I-10 · Structure no. 013615

Built
1985
40 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
25 ft
3 main spans
Daily traffic
25,642
2023 count
Owner
State
State Highway Agency

About this bridge

US 90 over Branch is a concrete culvert carrying US 90 over Branch in Mobile County, Alabama. It was built in 1985, so it is 40 years old, younger 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 25,642 vehicles a day, roughly 9% of them trucks, projected to reach 38,463 by 2043. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 11.2 mi (18 km).

CarriesUS 90
CrossesBranch
Location0.7 MI SW I-10
RouteU.S. Route 90
StateAlabama
Coordinates30.56977, -88.17161
Functional classUrban Other Principal Arterial

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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93.8 US tons
Inventory rating56.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,642 (2023)
Projected traffic38,463 by 2043
Trucks9%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.3 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 90 over Branch built?

It was built in 1985, making it 40 years old in 2025.

What condition is US 90 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 July 2024.

How much traffic does US 90 over Branch carry?

About 25,642 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is US 90 over Branch?

The structure is 25 ft (7.6 m) long with a longest span of 8 ft (2.4 m).

Who owns US 90 over Branch?

It is owned by the State Highway Agency.