US Bridges

Crab Tree Road over Duck Creek

Fair

Tuscaloosa County, Alabama · 1.3 MI W of JCT Ala 69 · Structure no. 013437

Built
1900
125 years old, rebuilt 1985
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
2 main spans
Daily traffic
700
2018 count
Owner
County
County Highway Agency

About this bridge

Crab Tree Road over Duck Creek is a steel stringer/multi-beam or girder carrying Crab Tree Road over Duck Creek in Tuscaloosa County, Alabama. It was built in 1900 and reconstructed in 1985, so it is 125 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 700 vehicles a day, roughly 20% of them trucks, projected to reach 800 by 2035. The structure is 30 ft (9.1 m) long and 26 ft wide.

Location

Open in Google Maps
CarriesCrab Tree Road
CrossesDuck Creek
Location1.3 MI W of JCT Ala 69
RouteCounty Highway 328
CountyTuscaloosa County
StateAlabama
Coordinates33.14102, -87.56218
Functional classRural Minor 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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
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 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 rating98 US tons
Inventory rating87.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span15 ft (4.6 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2018)
Projected traffic800 by 2035
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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$311,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Crab Tree Road over Duck Creek built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1985.

What condition is Crab Tree Road 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 August 2023.

How much traffic does Crab Tree Road over Duck Creek carry?

About 700 vehicles per day (2018 count), of which roughly 20% are trucks.

How long is Crab Tree Road over Duck Creek?

The structure is 30 ft (9.1 m) long with a longest span of 15 ft (4.6 m) and a deck 26 ft wide.

Who owns Crab Tree Road over Duck Creek?

It is owned by the County Highway Agency.