US Bridges

Al. 158 Wbl over Chickasaw Creek

Good

Mobile County, Alabama · .5 Mi. E. US 45 · Structure no. 020174

Built
2013
12 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
542 ft
5 main spans
Daily traffic
13,067
2021 count
Owner
State
State Highway Agency

About this bridge

Al. 158 Wbl over Chickasaw Creek is a prestressed concrete stringer/multi-beam or girder carrying Al. 158 Wbl over Chickasaw Creek in Mobile County, Alabama. It was built in 2013, so it is 12 years old, younger than the Alabama average of 51.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 13,067 vehicles a day, roughly 8% of them trucks, projected to reach 19,601 by 2041. The structure is 542 ft (165.2 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesAl. 158 Wbl
CrossesChickasaw Creek
Location.5 Mi. E. US 45
RouteState Highway 158
CountyMobile County
StateAlabama
Coordinates30.80308, -88.14454
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating43 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length542 ft (165.2 m)
Longest span136 ft (41.5 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,067 (2021)
Projected traffic19,601 by 2041
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 proposedNone recorded
Estimated improvement cost$5.5 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Al. 158 Wbl over Chickasaw Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is Al. 158 Wbl over Chickasaw Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

How much traffic does Al. 158 Wbl over Chickasaw Creek carry?

About 13,067 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Al. 158 Wbl over Chickasaw Creek?

The structure is 542 ft (165.2 m) long with a longest span of 136 ft (41.5 m) and a deck 43 ft wide.

Who owns Al. 158 Wbl over Chickasaw Creek?

It is owned by the State Highway Agency.