US Bridges

Nfa A187 over Branch

Good

Lincoln County, Tennessee · 2.5 M. Sw. Mulberry · Structure no. 520A1870001

Built
1984
41 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete Continuous
Length
31 ft
2 main spans
Daily traffic
40
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A187 over Branch is a concrete continuous culvert carrying Nfa A187 over Branch in Lincoln 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 40 vehicles a day, roughly 2% of them trucks, projected to reach 64 by 2042. The structure is 31 ft (9.5 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNfa A187
CrossesBranch
Location2.5 M. Sw. Mulberry
RouteCounty Highway 187
CountyLincoln County
StateTennessee
Coordinates35.17523, -86.48869
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 alignment8: Equal to present desirable criteria
Operating rating72.5 US tons
Inventory rating42.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length31 ft (9.5 m)
Longest span10 ft (3 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2020)
Projected traffic64 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 A187 over Branch built?

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

What condition is Nfa A187 over Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does Nfa A187 over Branch carry?

About 40 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A187 over Branch?

The structure is 31 ft (9.5 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns Nfa A187 over Branch?

It is owned by the County Highway Agency.