US Bridges

CO-29 over Duck Ck. Tributary

FairPosted for load

Conecuh County, Alabama · 0.5MI South of Annex · Structure no. 018246

Built
2000
25 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
200
1900 count
Owner
County
County Highway Agency

About this bridge

CO-29 over Duck Ck. Tributary is a steel stringer/multi-beam or girder carrying CO-29 over Duck Ck. Tributary in Conecuh County, Alabama. It was built in 2000, so it is 25 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 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 200 vehicles a day, projected to reach 347 by 2034. The structure is 24 ft (7.2 m) long and 24 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesCO-29
CrossesDuck Ck. Tributary
Location0.5MI South of Annex
RouteCounty Highway 29
CountyConecuh County
StateAlabama
Coordinates31.69469, -86.95164
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating24 US tons
Inventory rating18 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length24 ft (7.2 m)
Longest span22 ft (6.7 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (1900)
Projected traffic347 by 2034
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$245,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CO-29 over Duck Ck. Tributary built?

It was built in 2000, making it 25 years old in 2025.

What condition is CO-29 over Duck Ck. Tributary 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 September 2023.

How much traffic does CO-29 over Duck Ck. Tributary carry?

About 200 vehicles per day (1900 count).

How long is CO-29 over Duck Ck. Tributary?

The structure is 24 ft (7.2 m) long with a longest span of 22 ft (6.7 m) and a deck 24 ft wide.

Who owns CO-29 over Duck Ck. Tributary?

It is owned by the County Highway Agency.