US Bridges

Thomas Ave over Toulmin Springs

PoorPosted for load

Mobile County, Alabama · 0.2 MI E US 45 · Structure no. 011214

Built
1974
51 years old
Condition
Poor
inspected January 2024
Type
Channel Beam
Concrete
Length
24 ft
1 main span
Daily traffic
446
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Thomas Ave over Toulmin Springs is a concrete channel beam carrying Thomas 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 446 vehicles a day, roughly 2% of them trucks, projected to reach 664 by 2042. 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).

CarriesThomas Ave
CrossesToulmin Springs
Location0.2 MI E US 45
RouteCity Street 0
StateAlabama
Coordinates30.74333, -88.10167
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be 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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating28.2 US tons
Inventory rating16.9 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 traffic446 (2022)
Projected traffic664 by 2042
Trucks2%
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 Thomas Ave over Toulmin Springs built?

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

What condition is Thomas Ave over Toulmin Springs in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2024.

How much traffic does Thomas Ave over Toulmin Springs carry?

About 446 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Thomas 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 Thomas Ave over Toulmin Springs?

It is owned by the City or Municipal Highway Agency.