US Bridges

Lock 17 Road over Shoal Creek

Fair

Jefferson County, Alabama · 4 Miles West of Scrap · Structure no. 007195

Built
1960
65 years old
Condition
Fair
inspected August 2024
Type
Channel Beam
Concrete
Length
102 ft
3 main spans
Daily traffic
610
2024 count
Owner
County
County Highway Agency

About this bridge

Lock 17 Road over Shoal Creek is a concrete channel beam carrying Lock 17 Road over Shoal Creek in Jefferson County, Alabama. It was built in 1960, so it is 65 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.

It carries about 610 vehicles a day, roughly 22% of them trucks, projected to reach 1,135 by 2044. The structure is 102 ft (31.1 m) long and 26 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

Location

Open in Google Maps
CarriesLock 17 Road
CrossesShoal Creek
Location4 Miles West of Scrap
RouteCounty Highway 803
CountyJefferson County
StateAlabama
Coordinates33.45463, -87.26344
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating44.5 US tons
Inventory rating26.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length102 ft (31.1 m)
Longest span33 ft (10 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic610 (2024)
Projected traffic1,135 by 2044
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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$747,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lock 17 Road over Shoal Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Lock 17 Road over Shoal 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 2024.

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

About 610 vehicles per day (2024 count), of which roughly 22% are trucks.

How long is Lock 17 Road over Shoal Creek?

The structure is 102 ft (31.1 m) long with a longest span of 33 ft (10 m) and a deck 26 ft wide.

Who owns Lock 17 Road over Shoal Creek?

It is owned by the County Highway Agency.