US Bridges

Nfa D761 over Laurel Branch

Fair

Bledsoe County, Tennessee · 2MI West of Hamilton Co. · Structure no. 040A3180001

Built
1984
41 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete Continuous
Length
28 ft
2 main spans
Daily traffic
100
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa D761 over Laurel Branch is a concrete continuous culvert carrying Nfa D761 over Laurel Branch in Bledsoe County, Tennessee. It was built in 1984, so it is 41 years old, younger 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 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 100 vehicles a day, roughly 2% of them trucks, projected to reach 160 by 2040. The structure is 28 ft (8.4 m) long and 26 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesNfa D761
CrossesLaurel Branch
Location2MI West of Hamilton Co.
RouteCounty Highway 761
Coordinates35.40394, -85.2428
Functional classRural Local

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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.7 US tons
Inventory rating28.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length28 ft (8.4 m)
Longest span10 ft (3 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2020)
Projected traffic160 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa D761 over Laurel Branch built?

It was built in 1984, making it 41 years old in 2025.

What condition is Nfa D761 over Laurel 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 July 2024.

How much traffic does Nfa D761 over Laurel Branch carry?

About 100 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa D761 over Laurel Branch?

The structure is 28 ft (8.4 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns Nfa D761 over Laurel Branch?

It is owned by the County Highway Agency.