US Bridges

Lock 17 Road over Mud Creek

Good

Jefferson County, Alabama · Scrap · Structure no. 012445

Built
1980
45 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
218 ft
3 main spans
Daily traffic
2,763
2024 count
Owner
County
County Highway Agency

About this bridge

Lock 17 Road over Mud Creek is a prestressed concrete stringer/multi-beam or girder carrying Lock 17 Road over Mud Creek in Jefferson County, Alabama. It was built in 1980, so it is 45 years old, younger than the Alabama average of 51.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,763 vehicles a day, roughly 15% of them trucks, projected to reach 3,875 by 2044. The structure is 218 ft (66.4 m) long and 31 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesLock 17 Road
CrossesMud Creek
LocationScrap
RouteCounty Highway 803
StateAlabama
Coordinates33.4458, -87.19108
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length218 ft (66.4 m)
Longest span70 ft (21.3 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,763 (2024)
Projected traffic3,875 by 2044
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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$1.7 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lock 17 Road over Mud Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Lock 17 Road over Mud Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

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

About 2,763 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is Lock 17 Road over Mud Creek?

The structure is 218 ft (66.4 m) long with a longest span of 70 ft (21.3 m) and a deck 31 ft wide.

Who owns Lock 17 Road over Mud Creek?

It is owned by the County Highway Agency.