US Bridges

Vista Bonita Dr. over Spencers Branch

Fair

Mobile County, Alabama · 0.2 MI E Knollwood DR · Structure no. 012027

Built
1978
47 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
1,557
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Vista Bonita Dr. over Spencers Branch is a concrete culvert carrying Vista Bonita Dr. over Spencers Branch in Mobile County, Alabama. It was built in 1978, so it is 47 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 1,557 vehicles a day, roughly 1% of them trucks, projected to reach 2,381 by 2043. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesVista Bonita Dr.
CrossesSpencers Branch
Location0.2 MI E Knollwood DR
RouteCity Street 0
CountyMobile County
StateAlabama
Coordinates30.65139, -88.17413
Functional classUrban 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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating71 US tons
Inventory rating42.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length22 ft (6.7 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 traffic1,557 (2023)
Projected traffic2,381 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$446,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Vista Bonita Dr. over Spencers Branch built?

It was built in 1978, making it 47 years old in 2025.

What condition is Vista Bonita Dr. over Spencers Branch 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 November 2023.

How much traffic does Vista Bonita Dr. over Spencers Branch carry?

About 1,557 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Vista Bonita Dr. over Spencers Branch?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns Vista Bonita Dr. over Spencers Branch?

It is owned by the City or Municipal Highway Agency.