US Bridges

20th ST over Town Creek

Good

Walker County, Alabama · 20th ST * Town Creek · Structure no. 013618

Built
1985
40 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
37 ft
3 main spans
Daily traffic
6,000
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

20th ST over Town Creek is a concrete culvert carrying 20th ST over Town Creek in Walker County, Alabama. It was built in 1985, so it is 40 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 6,000 vehicles a day, roughly 1% of them trucks, projected to reach 9,000 by 2044. The structure is 37 ft (11.4 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries20th ST
CrossesTown Creek
Location20th ST * Town Creek
RouteCity Street 0
StateAlabama
Coordinates33.83167, -87.275
Functional classUrban Local

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating70.1 US tons
Inventory rating42 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length37 ft (11.4 m)
Longest span12 ft (3.7 m)
Deck width45 ft (13.6 m)
Roadway width42 ft (12.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,000 (2024)
Projected traffic9,000 by 2044
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$485,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 20th ST over Town Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is 20th ST over Town Creek 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 2024.

How much traffic does 20th ST over Town Creek carry?

About 6,000 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is 20th ST over Town Creek?

The structure is 37 ft (11.4 m) long with a longest span of 12 ft (3.7 m) and a deck 45 ft wide.

Who owns 20th ST over Town Creek?

It is owned by the City or Municipal Highway Agency.