US Bridges

Upper Lake_drive over _mosquito Branch

Good

Tuscaloosa County, Alabama · _5 MI N of HWY11 · Structure no. 021233

Built
2016
9 years old
Condition
Good
inspected January 2024
Type
Channel Beam
Concrete
Length
34 ft
1 main span
Daily traffic
125
2000 count
Owner
County
County Highway Agency

About this bridge

Upper Lake_drive over _mosquito Branch is a concrete channel beam carrying Upper Lake_drive over _mosquito Branch in Tuscaloosa County, Alabama. It was built in 2016, so it is 9 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 125 vehicles a day, roughly 1% of them trucks, projected to reach 150 by 2036. The structure is 34 ft (10.4 m) long and 31 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUpper Lake_drive
Crosses_mosquito Branch
Location_5 MI N of HWY11
RouteCounty Highway 239
StateAlabama
Coordinates33.19126, -87.41675
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating78.2 US tons
Inventory rating46.8 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span34 ft (10.4 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2000)
Projected traffic150 by 2036
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$386,000 (2025 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Upper Lake_drive over _mosquito Branch built?

It was built in 2016, making it 9 years old in 2025.

What condition is Upper Lake_drive over _mosquito 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 January 2024.

How much traffic does Upper Lake_drive over _mosquito Branch carry?

About 125 vehicles per day (2000 count), of which roughly 1% are trucks.

How long is Upper Lake_drive over _mosquito Branch?

The structure is 34 ft (10.4 m) long with a longest span of 34 ft (10.4 m) and a deck 31 ft wide.

Who owns Upper Lake_drive over _mosquito Branch?

It is owned by the County Highway Agency.