US Bridges

First Ave over Toulmin Springs

Fair

Mobile County, Alabama · 0.3 MI E US 45 · Structure no. 011229

Built
1974
51 years old
Condition
Fair
inspected January 2024
Type
Channel Beam
Concrete
Length
24 ft
1 main span
Daily traffic
400
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

First Ave over Toulmin Springs is a concrete channel beam carrying First Ave over Toulmin Springs in Mobile County, Alabama. It was built in 1974, so it is 51 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 5 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 400 vehicles a day, roughly 1% of them trucks, projected to reach 600 by 2044. The structure is 24 ft (7.3 m) long and 23 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesFirst Ave
CrossesToulmin Springs
Location0.3 MI E US 45
RouteCity Street 0
CountyMobile County
StateAlabama
Coordinates30.74167, -88.1
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 protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating34.2 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadH 15
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width23 ft (7.1 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2024)
Projected traffic600 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$239,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was First Ave over Toulmin Springs built?

It was built in 1974, making it 51 years old in 2025.

What condition is First Ave over Toulmin Springs 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 First Ave over Toulmin Springs carry?

About 400 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is First Ave over Toulmin Springs?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 23 ft wide.

Who owns First Ave over Toulmin Springs?

It is owned by the City or Municipal Highway Agency.