US Bridges

I75 over Branch

Fair

Anderson County, Tennessee · Near SR 61 · Structure no. 01I00750041

Built
1965
60 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete Continuous
Length
37 ft
2 main spans
Daily traffic
49,351
2021 count
Owner
State
State Highway Agency

About this bridge

I75 over Branch is a concrete continuous culvert carrying I75 over Branch in Anderson County, Tennessee. It was built in 1965, so it is 60 years old, older than the Tennessee average of 47.4 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 49,351 vehicles a day, roughly 6% of them trucks, projected to reach 72,861 by 2041. The structure is 37 ft (11.2 m) long. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesI75
CrossesBranch
LocationNear SR 61
RouteInterstate 75
CountyAnderson County
StateTennessee
Coordinates36.22486, -84.14983
Functional classUrban 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length37 ft (11.2 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49,351 (2021)
Projected traffic72,861 by 2041
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$523,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I75 over Branch built?

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

What condition is I75 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 August 2023.

How much traffic does I75 over Branch carry?

About 49,351 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is I75 over Branch?

The structure is 37 ft (11.2 m) long with a longest span of 16 ft (4.9 m).

Who owns I75 over Branch?

It is owned by the State Highway Agency.