US Bridges

US 29 over I-85

Fair

Lee County, Alabama · JCT I85 * US 29(EXIT51) · Structure no. 019157

Built
2005
20 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
420 ft
4 main spans
Daily traffic
16,470
2013 count
Owner
State
State Highway Agency

About this bridge

US 29 over I-85 is a prestressed concrete stringer/multi-beam or girder carrying US 29 over I-85 in Lee County, Alabama. It was built in 2005, so it is 20 years old, younger 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 16,470 vehicles a day, roughly 7% of them trucks, projected to reach 22,446 by 2033. The structure is 420 ft (128 m) long and 101 ft wide.

CarriesUS 29
CrossesI-85
LocationJCT I85 * US 29(EXIT51)
RouteU.S. Route 29
StateAlabama
Coordinates32.55834, -85.50648
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.1 US tons
Inventory rating30 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length420 ft (128 m)
Longest span135 ft (41.1 m)
Deck width101 ft (30.7 m)
Roadway width98 ft (29.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,470 (2013)
Projected traffic22,446 by 2033
Trucks7%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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$10.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 29 over I-85 built?

It was built in 2005, making it 20 years old in 2025.

What condition is US 29 over I-85 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 June 2023.

How much traffic does US 29 over I-85 carry?

About 16,470 vehicles per day (2013 count), of which roughly 7% are trucks.

How long is US 29 over I-85?

The structure is 420 ft (128 m) long with a longest span of 135 ft (41.1 m) and a deck 101 ft wide.

Who owns US 29 over I-85?

It is owned by the State Highway Agency.