US Bridges

SR 158 W.B. over College Parkway

Fair

Mobile County, Alabama · 1.7 MI E US 45 · Structure no. 009445

Built
1967
58 years old
Condition
Fair
inspected April 2023
Type
Tee Beam
Concrete Continuous
Length
164 ft
4 main spans
Daily traffic
15,250
2021 count
Owner
State
State Highway Agency

About this bridge

SR 158 W.B. over College Parkway is a concrete continuous tee beam carrying SR 158 W.B. over College Parkway in Mobile County, Alabama. It was built in 1967, so it is 58 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.

It carries about 15,250 vehicles a day, roughly 12% of them trucks, projected to reach 22,875 by 2041. The structure is 164 ft (50 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR 158 W.B.
CrossesCollege Parkway
Location1.7 MI E US 45
RouteState Highway 158
CountyMobile County
StateAlabama
Coordinates30.80298, -88.12522
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.2 US tons
Inventory rating39.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length164 ft (50 m)
Longest span46 ft (14 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,250 (2021)
Projected traffic22,875 by 2041
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.5 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 158 W.B. over College Parkway built?

It was built in 1967, making it 58 years old in 2025.

What condition is SR 158 W.B. over College Parkway 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 April 2023.

How much traffic does SR 158 W.B. over College Parkway carry?

About 15,250 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is SR 158 W.B. over College Parkway?

The structure is 164 ft (50 m) long with a longest span of 46 ft (14 m) and a deck 33 ft wide.

Who owns SR 158 W.B. over College Parkway?

It is owned by the State Highway Agency.