US Bridges

Davenport St. over Bayou LA Batre

Fair

Mobile County, Alabama · 2.1 MI N Al 188 · Structure no. 019111

Built
2004
21 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
105 ft
3 main spans
Daily traffic
640
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Davenport St. over Bayou LA Batre is a steel stringer/multi-beam or girder carrying Davenport St. over Bayou LA Batre in Mobile County, Alabama. It was built in 2004, so it is 21 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 6 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 640 vehicles a day, roughly 1% of them trucks, projected to reach 865 by 2043. The structure is 105 ft (31.9 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesDavenport St.
CrossesBayou LA Batre
Location2.1 MI N Al 188
RouteCity Street 0
CountyMobile County
StateAlabama
Coordinates30.4063, -88.2255
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64 US tons
Inventory rating38.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length105 ft (31.9 m)
Longest span64 ft (19.4 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic640 (2023)
Projected traffic865 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost$916,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Davenport St. over Bayou LA Batre built?

It was built in 2004, making it 21 years old in 2025.

What condition is Davenport St. over Bayou LA Batre 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 2023.

How much traffic does Davenport St. over Bayou LA Batre carry?

About 640 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Davenport St. over Bayou LA Batre?

The structure is 105 ft (31.9 m) long with a longest span of 64 ft (19.4 m) and a deck 31 ft wide.

Who owns Davenport St. over Bayou LA Batre?

It is owned by the City or Municipal Highway Agency.