US Bridges

US 43 over Chickasabogue Creek

Fair

Mobile County, Alabama · 0.9 MI S SR 158 · Structure no. 013906

Built
1986
39 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
491 ft
1 main span
Daily traffic
11,405
2022 count
Owner
State
State Highway Agency

About this bridge

US 43 over Chickasabogue Creek is a steel stringer/multi-beam or girder carrying US 43 over Chickasabogue Creek in Mobile County, Alabama. It was built in 1986, so it is 39 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 11,405 vehicles a day, roughly 9% of them trucks, projected to reach 17,108 by 2042. The structure is 491 ft (149.7 m) long and 83 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesUS 43
CrossesChickasabogue Creek
Location0.9 MI S SR 158
RouteU.S. Route 43
CountyMobile County
StateAlabama
Coordinates30.78183, -88.07276
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 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 geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.7 US tons
Inventory rating36.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+10 approach)
Design loadHS 20
Structure length491 ft (149.7 m)
Longest span81 ft (24.7 m)
Deck width83 ft (25.2 m)
Roadway width76 ft (23.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,405 (2022)
Projected traffic17,108 by 2042
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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$9.7 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 43 over Chickasabogue Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is US 43 over Chickasabogue Creek 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 43 over Chickasabogue Creek carry?

About 11,405 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is US 43 over Chickasabogue Creek?

The structure is 491 ft (149.7 m) long with a longest span of 81 ft (24.7 m) and a deck 83 ft wide.

Who owns US 43 over Chickasabogue Creek?

It is owned by the State Highway Agency.