US Bridges

SR 20 over Town Creek

Fair

Colbert County, Alabama · Colbert Lawrence CO Line · Structure no. 011211

Built
1974
51 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
406 ft
3 main spans
Daily traffic
3,710
2024 count
Owner
State
State Highway Agency

About this bridge

SR 20 over Town Creek is a steel continuous stringer/multi-beam or girder carrying SR 20 over Town Creek in Colbert County, Alabama. It was built in 1974, so it is 51 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 5 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 3,710 vehicles a day, roughly 20% of them trucks, projected to reach 4,997 by 2033. The structure is 406 ft (123.7 m) long and 43 ft wide.

Location

Open in Google Maps
CarriesSR 20
CrossesTown Creek
LocationColbert Lawrence CO Line
RouteState Highway 20
CountyColbert County
StateAlabama
Coordinates34.68244, -87.45211
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating32.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+6 approach)
Design loadHS 20
Structure length406 ft (123.7 m)
Longest span80 ft (24.4 m)
Deck width43 ft (13.1 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,710 (2024)
Projected traffic4,997 by 2033
Trucks20%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$4.3 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 20 over Town Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is SR 20 over Town Creek 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 November 2024.

How much traffic does SR 20 over Town Creek carry?

About 3,710 vehicles per day (2024 count), of which roughly 20% are trucks.

How long is SR 20 over Town Creek?

The structure is 406 ft (123.7 m) long with a longest span of 80 ft (24.4 m) and a deck 43 ft wide.

Who owns SR 20 over Town Creek?

It is owned by the State Highway Agency.