US Bridges

Gaillard DR Relief over Three Mile Creek

Good

Mobile County, Alabama · 0.15 Miles N of Museum DR · Structure no. 017571

Built
1999
26 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
906
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Gaillard DR Relief over Three Mile Creek is a concrete continuous culvert carrying Gaillard DR Relief over Three Mile Creek in Mobile County, Alabama. It was built in 1999, so it is 26 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 906 vehicles a day, roughly 4% of them trucks, projected to reach 1,359 by 2043. The structure is 25 ft (7.5 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesGaillard DR Relief
CrossesThree Mile Creek
Location0.15 Miles N of Museum DR
RouteCity Street 0
StateAlabama
Coordinates30.70591, -88.16489
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating70.2 US tons
Inventory rating42.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.5 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic906 (2023)
Projected traffic1,359 by 2043
Trucks4%
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$347,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Gaillard DR Relief over Three Mile Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Gaillard DR Relief over Three Mile 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 October 2023.

How much traffic does Gaillard DR Relief over Three Mile Creek carry?

About 906 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Gaillard DR Relief over Three Mile Creek?

The structure is 25 ft (7.5 m) long with a longest span of 12 ft (3.7 m).

Who owns Gaillard DR Relief over Three Mile Creek?

It is owned by the City or Municipal Highway Agency.