US Bridges

Lock 17 Road over Davis Creek

FairPosted for load

Tuscaloosa County, Alabama · 11.6 MI N of JCT Ala 216 · Structure no. 006734

Built
1959
66 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
352 ft
1 main span
Daily traffic
500
2019 count
Owner
County
County Highway Agency

About this bridge

Lock 17 Road over Davis Creek is a steel stringer/multi-beam or girder carrying Lock 17 Road over Davis Creek in Tuscaloosa County, Alabama. It was built in 1959, so it is 66 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. Its operating status is: posted for load restriction.

It carries about 500 vehicles a day, roughly 10% of them trucks, projected to reach 750 by 2036. The structure is 352 ft (107.3 m) long and 28 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

Location

Open in Google Maps
CarriesLock 17 Road
CrossesDavis Creek
Location11.6 MI N of JCT Ala 216
RouteCounty Highway 442
CountyTuscaloosa County
StateAlabama
Coordinates33.38794, -87.29733
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating37.1 US tons
Inventory rating22.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+8 approach)
Design loadHS 20
Structure length352 ft (107.3 m)
Longest span80 ft (24.4 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2019)
Projected traffic750 by 2036
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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$2.5 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lock 17 Road over Davis Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is Lock 17 Road over Davis 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 April 2024.

How much traffic does Lock 17 Road over Davis Creek carry?

About 500 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is Lock 17 Road over Davis Creek?

The structure is 352 ft (107.3 m) long with a longest span of 80 ft (24.4 m) and a deck 28 ft wide.

Who owns Lock 17 Road over Davis Creek?

It is owned by the County Highway Agency.