US Bridges

SR15/US29 over I-85

Fair

Chambers County, Alabama · JCT I-85 / US 29(EXIT 79) · Structure no. 006574

Built
1959
66 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete Continuous
Length
265 ft
4 main spans
Daily traffic
24,968
2023 count
Owner
State
State Highway Agency

About this bridge

SR15/US29 over I-85 is a concrete continuous tee beam carrying SR15/US29 over I-85 in Chambers County, Alabama. It was built in 1959, so it is 66 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 5 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 24,968 vehicles a day, roughly 2% of them trucks, projected to reach 34,955 by 2043. The structure is 265 ft (80.8 m) long and 83 ft wide.

Location

Open in Google Maps
CarriesSR15/US29
CrossesI-85
LocationJCT I-85 / US 29(EXIT 79)
RouteU.S. Route 29
CountyChambers County
StateAlabama
Coordinates32.8476, -85.18529
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.6 US tons
Inventory rating36.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length265 ft (80.8 m)
Longest span73 ft (22.3 m)
Deck width83 ft (25.4 m)
Roadway width71 ft (21.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,968 (2023)
Projected traffic34,955 by 2043
Trucks2%
Lanes on structure4
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$5.7 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR15/US29 over I-85 built?

It was built in 1959, making it 66 years old in 2025.

What condition is SR15/US29 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 July 2024.

How much traffic does SR15/US29 over I-85 carry?

About 24,968 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is SR15/US29 over I-85?

The structure is 265 ft (80.8 m) long with a longest span of 73 ft (22.3 m) and a deck 83 ft wide.

Who owns SR15/US29 over I-85?

It is owned by the State Highway Agency.