US Bridges

US 43 over Conrad Creek

Fair

Mobile County, Alabama · 4.9 MI N CO RD 84 · Structure no. 005713

Built
1930
95 years old, rebuilt 1957
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
15,011
2023 count
Owner
State
State Highway Agency

About this bridge

US 43 over Conrad Creek is a concrete culvert carrying US 43 over Conrad Creek in Mobile County, Alabama. It was built in 1930 and reconstructed in 1957, so it is 95 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 15,011 vehicles a day, roughly 9% of them trucks, projected to reach 22,517 by 2043. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 43
CrossesConrad Creek
Location4.9 MI N CO RD 84
RouteU.S. Route 43
CountyMobile County
StateAlabama
Coordinates31.04141, -88.02425
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 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
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating98 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 20
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,011 (2023)
Projected traffic22,517 by 2043
Trucks9%
Lanes on structure4
Traffic directionTwo-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 43 over Conrad Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1957.

What condition is US 43 over Conrad 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 August 2024.

How much traffic does US 43 over Conrad Creek carry?

About 15,011 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is US 43 over Conrad Creek?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).

Who owns US 43 over Conrad Creek?

It is owned by the State Highway Agency.