US Bridges

Co. Rt. 747 over Duck Creek

FairPosted for load

Cullman County, Alabama · CR 747 Double Bridge · Structure no. 005923

Built
1957
68 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Concrete Continuous
Length
196 ft
3 main spans
Daily traffic
1,852
2022 count
Owner
County
County Highway Agency

About this bridge

Co. Rt. 747 over Duck Creek is a concrete continuous tee beam carrying Co. Rt. 747 over Duck Creek in Cullman County, Alabama. It was built in 1957, so it is 68 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 1,852 vehicles a day, roughly 2% of them trucks, projected to reach 2,258 by 2033. The structure is 196 ft (59.7 m) long and 23 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesCo. Rt. 747
CrossesDuck Creek
LocationCR 747 Double Bridge
RouteCounty Highway 47
CountyCullman County
StateAlabama
Coordinates34.0867, -86.69745
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating33 US tons
Inventory rating19.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+1 approach)
Design loadH 15
Structure length196 ft (59.7 m)
Longest span60 ft (18.3 m)
Deck width23 ft (7.1 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,852 (2022)
Projected traffic2,258 by 2033
Trucks2%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Co. Rt. 747 over Duck Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is Co. Rt. 747 over Duck 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 2023.

How much traffic does Co. Rt. 747 over Duck Creek carry?

About 1,852 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Co. Rt. 747 over Duck Creek?

The structure is 196 ft (59.7 m) long with a longest span of 60 ft (18.3 m) and a deck 23 ft wide.

Who owns Co. Rt. 747 over Duck Creek?

It is owned by the County Highway Agency.