US Bridges

Zierdt RD over Barren Fork Creek

FairPosted for load

Madison County, Alabama · 0.2 MI N CO RD 008 · Structure no. 007345

Built
1961
64 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Concrete
Length
170 ft
5 main spans
Daily traffic
1,050
1992 count
Owner
County
County Highway Agency

About this bridge

Zierdt RD over Barren Fork Creek is a concrete tee beam carrying Zierdt RD over Barren Fork Creek in Madison County, Alabama. It was built in 1961, so it is 64 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 1,050 vehicles a day, roughly 1% of them trucks, projected to reach 1,300 by 2032. The structure is 170 ft (51.8 m) long and 23 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesZierdt RD
CrossesBarren Fork Creek
Location0.2 MI N CO RD 008
RouteCounty Highway 10
CountyMadison County
StateAlabama
Coordinates34.61451, -86.73498
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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.1 US tons
Inventory rating27.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length170 ft (51.8 m)
Longest span34 ft (10.4 m)
Deck width23 ft (7.1 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,050 (1992)
Projected traffic1,300 by 2032
Trucks1%
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$1.1 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Zierdt RD over Barren Fork Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is Zierdt RD over Barren Fork 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 2023.

How much traffic does Zierdt RD over Barren Fork Creek carry?

About 1,050 vehicles per day (1992 count), of which roughly 1% are trucks.

How long is Zierdt RD over Barren Fork Creek?

The structure is 170 ft (51.8 m) long with a longest span of 34 ft (10.4 m) and a deck 23 ft wide.

Who owns Zierdt RD over Barren Fork Creek?

It is owned by the County Highway Agency.