US Bridges

Highpoint Blvd over Unnamed Branch

Good

Mobile County, Alabama · 0.9 Miles N. of Lott Road · Structure no. 019474

Built
2004
21 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete Continuous
Length
37 ft
3 main spans
Daily traffic
3,000
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Highpoint Blvd over Unnamed Branch is a concrete continuous culvert carrying Highpoint Blvd over Unnamed Branch 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 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 3,000 vehicles a day, roughly 4% of them trucks, projected to reach 4,500 by 2043. The structure is 37 ft (11.4 m) long and 36 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesHighpoint Blvd
CrossesUnnamed Branch
Location0.9 Miles N. of Lott Road
RouteCounty Highway 0
StateAlabama
Coordinates30.77675, -88.15778
Functional classUrban Minor Arterial

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionDecember 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 alignment9: Superior to present desirable criteria
Operating rating47.4 US tons
Inventory rating28.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length37 ft (11.4 m)
Longest span12 ft (3.7 m)
Deck width36 ft (11 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2023)
Projected traffic4,500 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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$590,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Highpoint Blvd over Unnamed Branch built?

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

What condition is Highpoint Blvd over Unnamed Branch 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 December 2023.

How much traffic does Highpoint Blvd over Unnamed Branch carry?

About 3,000 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Highpoint Blvd over Unnamed Branch?

The structure is 37 ft (11.4 m) long with a longest span of 12 ft (3.7 m) and a deck 36 ft wide.

Who owns Highpoint Blvd over Unnamed Branch?

It is owned by the City or Municipal Highway Agency.