US Bridges

I85 Nbl over Branch

Fair

Macon County, Alabama · 4.46MI. N. of AL186 · Structure no. 008605

Built
1965
60 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete Continuous
Length
43 ft
4 main spans
Daily traffic
15,690
2013 count
Owner
State
State Highway Agency

About this bridge

I85 Nbl over Branch is a concrete continuous culvert carrying I85 Nbl over Branch in Macon County, Alabama. It was built in 1965, so it is 60 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 15,690 vehicles a day, roughly 27% of them trucks, projected to reach 20,679 by 2033. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI85 Nbl
CrossesBranch
Location4.46MI. N. of AL186
RouteInterstate 85
CountyMacon County
StateAlabama
Coordinates32.52405, -85.57292
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating98 US tons
Inventory rating98 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,690 (2013)
Projected traffic20,679 by 2033
Trucks27%
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 proposedNone recorded
Estimated improvement cost$1.3 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I85 Nbl over Branch built?

It was built in 1965, making it 60 years old in 2025.

What condition is I85 Nbl over Branch 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 I85 Nbl over Branch carry?

About 15,690 vehicles per day (2013 count), of which roughly 27% are trucks.

How long is I85 Nbl over Branch?

The structure is 43 ft (13.1 m) long with a longest span of 10 ft (3 m).

Who owns I85 Nbl over Branch?

It is owned by the State Highway Agency.