US Bridges

IN-85 over SR 51

Good

Lee County, Alabama · JCT SR 51 @ I-85 · Structure no. 021513

Built
2022
3 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
190 ft
3 main spans
Daily traffic
60,981
2021 count
Owner
State
State Highway Agency

About this bridge

IN-85 over SR 51 is a concrete stringer/multi-beam or girder carrying IN-85 over SR 51 in Lee County, Alabama. It was built in 2022, so it is 3 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 60,981 vehicles a day, roughly 10% of them trucks, projected to reach 110,138 by 2041. The structure is 190 ft (57.9 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIN-85
CrossesSR 51
LocationJCT SR 51 @ I-85
RouteInterstate 85
StateAlabama
Coordinates32.63163, -85.37264
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment7: Better than present minimum criteria
Operating rating97.7 US tons
Inventory rating52.6 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length190 ft (57.9 m)
Longest span80 ft (24.4 m)
Deck width42 ft (12.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60,981 (2021)
Projected traffic110,138 by 2041
Trucks10%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$2.2 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was IN-85 over SR 51 built?

It was built in 2022, making it 3 years old in 2025.

What condition is IN-85 over SR 51 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 April 2024.

How much traffic does IN-85 over SR 51 carry?

About 60,981 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is IN-85 over SR 51?

The structure is 190 ft (57.9 m) long with a longest span of 80 ft (24.4 m) and a deck 42 ft wide.

Who owns IN-85 over SR 51?

It is owned by the State Highway Agency.