US Bridges

I85 Nbl over Line Crk Relief

Fair

Montgomery County, Alabama · 0.2 MI S of Macon CO Line · Structure no. 007567

Built
1962
63 years old
Condition
Fair
inspected May 2023
Type
Tee Beam
Concrete
Length
374 ft
11 main spans
Daily traffic
18,020
2013 count
Owner
State
State Highway Agency

About this bridge

I85 Nbl over Line Crk Relief is a concrete tee beam carrying I85 Nbl over Line Crk Relief in Montgomery County, Alabama. It was built in 1962, so it is 63 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 18,020 vehicles a day, roughly 21% of them trucks, projected to reach 23,749 by 2033. The structure is 374 ft (114 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI85 Nbl
CrossesLine Crk Relief
Location0.2 MI S of Macon CO Line
RouteInterstate 85
CountyMontgomery County
StateAlabama
Coordinates32.37974, -86.01485
Functional classRural Principal Arterial - Interstate

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.7 US tons
Inventory rating29.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans11
Design loadHS 20
Structure length374 ft (114 m)
Longest span34 ft (10.4 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,020 (2013)
Projected traffic23,749 by 2033
Trucks21%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$3.1 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I85 Nbl over Line Crk Relief built?

It was built in 1962, making it 63 years old in 2025.

What condition is I85 Nbl over Line Crk Relief 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 May 2023.

How much traffic does I85 Nbl over Line Crk Relief carry?

About 18,020 vehicles per day (2013 count), of which roughly 21% are trucks.

How long is I85 Nbl over Line Crk Relief?

The structure is 374 ft (114 m) long with a longest span of 34 ft (10.4 m) and a deck 33 ft wide.

Who owns I85 Nbl over Line Crk Relief?

It is owned by the State Highway Agency.