US Bridges

9th Avenue over Northwood Lake Branch

Fair

Tuscaloosa County, Alabama · 0.2 MI N US#82 Bypass · Structure no. 014831

Built
1989
36 years old
Condition
Fair
inspected January 2024
Type
Culvert
Steel
Length
62 ft
4 main spans
Daily traffic
1,825
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

9th Avenue over Northwood Lake Branch is a steel culvert carrying 9th Avenue over Northwood Lake Branch in Tuscaloosa County, Alabama. It was built in 1989, so it is 36 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 1,825 vehicles a day, roughly 1% of them trucks, projected to reach 2,250 by 2032. The structure is 62 ft (18.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries9th Avenue
CrossesNorthwood Lake Branch
Location0.2 MI N US#82 Bypass
RouteCity Street 0
CountyTuscaloosa County
StateAlabama
Coordinates33.23919, -87.56767
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.3 US tons
Inventory rating22.4 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadHS 20
Structure length62 ft (18.9 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 traffic1,825 (2010)
Projected traffic2,250 by 2032
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$866,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 9th Avenue over Northwood Lake Branch built?

It was built in 1989, making it 36 years old in 2025.

What condition is 9th Avenue over Northwood Lake 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 January 2024.

How much traffic does 9th Avenue over Northwood Lake Branch carry?

About 1,825 vehicles per day (2010 count), of which roughly 1% are trucks.

How long is 9th Avenue over Northwood Lake Branch?

The structure is 62 ft (18.9 m) long with a longest span of 10 ft (3 m).

Who owns 9th Avenue over Northwood Lake Branch?

It is owned by the City or Municipal Highway Agency.