US Bridges

Queenstown Road over Mountain Lake Tributary

Good

Jefferson County, Alabama · 1 MI NE I-459 · Structure no. 016678

Built
1993
32 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete
Length
43 ft
4 main spans
Daily traffic
2,905
2025 count
Owner
County
County Highway Agency

About this bridge

Queenstown Road over Mountain Lake Tributary is a concrete culvert carrying Queenstown Road over Mountain Lake Tributary in Jefferson County, Alabama. It was built in 1993, so it is 32 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 2,905 vehicles a day, roughly 5% of them trucks, projected to reach 3,500 by 2045. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 8.7 mi (14 km).

CarriesQueenstown Road
CrossesMountain Lake Tributary
Location1 MI NE I-459
RouteCounty Highway 314
StateAlabama
Coordinates33.58605, -86.62892
Functional classUrban Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating87.6 US tons
Inventory rating52.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,905 (2025)
Projected traffic3,500 by 2045
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedNone recorded
Estimated improvement cost$919,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Queenstown Road over Mountain Lake Tributary built?

It was built in 1993, making it 32 years old in 2025.

What condition is Queenstown Road over Mountain Lake Tributary 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 2025.

How much traffic does Queenstown Road over Mountain Lake Tributary carry?

About 2,905 vehicles per day (2025 count), of which roughly 5% are trucks.

How long is Queenstown Road over Mountain Lake Tributary?

The structure is 43 ft (13.1 m) long with a longest span of 9 ft (2.7 m).

Who owns Queenstown Road over Mountain Lake Tributary?

It is owned by the County Highway Agency.