US Bridges

Wire Mill Road over I - 20/59

Fair

Jefferson County, Alabama · @ Tci Wire Mill · Structure no. 009514

Built
1968
57 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
326 ft
4 main spans
Daily traffic
500
2024 count
Owner
State
State Highway Agency

About this bridge

Wire Mill Road over I - 20/59 is a steel continuous stringer/multi-beam or girder carrying Wire Mill Road over I - 20/59 in Jefferson County, Alabama. It was built in 1968, so it is 57 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 500 vehicles a day, roughly 2% of them trucks, projected to reach 900 by 2044. The structure is 326 ft (99.4 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesWire Mill Road
CrossesI - 20/59
Location@ Tci Wire Mill
RouteCounty Highway 0
StateAlabama
Coordinates33.4726, -86.9312
Functional classUrban 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.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating50.4 US tons
Inventory rating29.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4 (+1 approach)
Design loadHS 20
Structure length326 ft (99.4 m)
Longest span85 ft (25.9 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2024)
Projected traffic900 by 2044
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Wire Mill Road over I - 20/59 built?

It was built in 1968, making it 57 years old in 2025.

What condition is Wire Mill Road over I - 20/59 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 March 2024.

How much traffic does Wire Mill Road over I - 20/59 carry?

About 500 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Wire Mill Road over I - 20/59?

The structure is 326 ft (99.4 m) long with a longest span of 85 ft (25.9 m) and a deck 31 ft wide.

Who owns Wire Mill Road over I - 20/59?

It is owned by the State Highway Agency.