US Bridges

Nfa 1524 (sa 6605) over Branch

Fair

Obion County, Tennessee · 1.8 MI NE JCT SR183&SR211 · Structure no. 66015240003

Built
1965
60 years old
Condition
Fair
inspected March 2023
Type
Channel Beam
Concrete
Length
49 ft
3 main spans
Daily traffic
476
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1524 (sa 6605) over Branch is a concrete channel beam carrying Nfa 1524 (sa 6605) over Branch in Obion 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 476 vehicles a day, roughly 3% of them trucks, projected to reach 546 by 2041. The structure is 49 ft (14.9 m) long and 25 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesNfa 1524 (sa 6605)
CrossesBranch
Location1.8 MI NE JCT SR183&SR211
RouteCounty Highway 1524
CountyObion County
StateTennessee
Coordinates36.27461, -89.16527
Functional classRural Minor 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.5 US tons
Inventory rating25.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length49 ft (14.9 m)
Longest span19 ft (5.8 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic476 (2021)
Projected traffic546 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$128,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1524 (sa 6605) over Branch built?

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

What condition is Nfa 1524 (sa 6605) 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 March 2023.

How much traffic does Nfa 1524 (sa 6605) over Branch carry?

About 476 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1524 (sa 6605) over Branch?

The structure is 49 ft (14.9 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.

Who owns Nfa 1524 (sa 6605) over Branch?

It is owned by the County Highway Agency.