US Bridges

CR 1579 over Duck Creek

PoorPosted for load

Cullman County, Alabama · CR 1579 · Structure no. 011155

Built
1974
51 years old
Condition
Poor
inspected December 2024
Type
Channel Beam
Concrete
Length
34 ft
1 main span
Daily traffic
35
1991 count
Owner
County
County Highway Agency

About this bridge

CR 1579 over Duck Creek is a concrete channel beam carrying CR 1579 over Duck Creek in Cullman 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 35 vehicles a day, projected to reach 55 by 2036. The structure is 34 ft (10.4 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 1579
CrossesDuck Creek
LocationCR 1579
RouteCounty Highway 0
StateAlabama
Coordinates34.25195, -86.64491
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: 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 rating20 US tons
Inventory rating15 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadH 15
Structure length34 ft (10.4 m)
Longest span34 ft (10.4 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (1991)
Projected traffic55 by 2036
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$310,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 1579 over Duck Creek built?

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

What condition is CR 1579 over Duck Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2024.

How much traffic does CR 1579 over Duck Creek carry?

About 35 vehicles per day (1991 count).

How long is CR 1579 over Duck Creek?

The structure is 34 ft (10.4 m) long with a longest span of 34 ft (10.4 m) and a deck 24 ft wide.

Who owns CR 1579 over Duck Creek?

It is owned by the County Highway Agency.