US Bridges

Dauphin St. over Montlimar Creek

Fair

Mobile County, Alabama · 0.5 MI W I65 · Structure no. 011473

Built
1975
50 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
43 ft
4 main spans
Daily traffic
23,251
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Dauphin St. over Montlimar Creek is a concrete culvert carrying Dauphin St. over Montlimar Creek in Mobile County, Alabama. It was built in 1975, so it is 50 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 23,251 vehicles a day, roughly 2% of them trucks, projected to reach 34,876 by 2043. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesDauphin St.
CrossesMontlimar Creek
Location0.5 MI W I65
RouteCity Street 0
CountyMobile County
StateAlabama
Coordinates30.68562, -88.13294
Functional classUrban Minor 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.9 US tons
Inventory rating43.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length43 ft (13.1 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 traffic23,251 (2023)
Projected traffic34,876 by 2043
Trucks2%
Lanes on structure5
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.3 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Dauphin St. over Montlimar Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Dauphin St. over Montlimar 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 October 2023.

How much traffic does Dauphin St. over Montlimar Creek carry?

About 23,251 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Dauphin St. over Montlimar Creek?

The structure is 43 ft (13.1 m) long with a longest span of 10 ft (3 m).

Who owns Dauphin St. over Montlimar Creek?

It is owned by the City or Municipal Highway Agency.