US Bridges

Old HWY 20 over Dry Creek

Fair

Colbert County, Alabama · Old 20 W of Gnat Pond RD · Structure no. 000224

Built
1924
101 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
34 ft
2 main spans
Daily traffic
2,250
2006 count
Owner
County
County Highway Agency

About this bridge

Old HWY 20 over Dry Creek is a concrete culvert carrying Old HWY 20 over Dry Creek in Colbert County, Alabama. It was built in 1924, so it is 101 years old, older 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 2,250 vehicles a day, roughly 10% of them trucks, projected to reach 3,330 by 2044. The structure is 34 ft (10.3 m) long and 54 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesOld HWY 20
CrossesDry Creek
LocationOld 20 W of Gnat Pond RD
RouteCounty Highway 22
CountyColbert County
StateAlabama
Coordinates34.69968, -87.58323
Functional classRural Major Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 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
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length34 ft (10.3 m)
Longest span16 ft (4.8 m)
Deck width54 ft (16.4 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,250 (2006)
Projected traffic3,330 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$584,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Old HWY 20 over Dry Creek built?

It was built in 1924, making it 101 years old in 2025.

What condition is Old HWY 20 over Dry 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 March 2024.

How much traffic does Old HWY 20 over Dry Creek carry?

About 2,250 vehicles per day (2006 count), of which roughly 10% are trucks.

How long is Old HWY 20 over Dry Creek?

The structure is 34 ft (10.3 m) long with a longest span of 16 ft (4.8 m) and a deck 54 ft wide.

Who owns Old HWY 20 over Dry Creek?

It is owned by the County Highway Agency.