US Bridges

Nfa A149 over Branch

Good

Wilson County, Tennessee · 2.5 MI North of SR24 · Structure no. 950A1490001

Built
1960
65 years old, rebuilt 1991
Condition
Good
inspected April 2024
Type
Culvert
Concrete Continuous
Length
31 ft
3 main spans
Daily traffic
250
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A149 over Branch is a concrete continuous culvert carrying Nfa A149 over Branch in Wilson County, Tennessee. It was built in 1960 and reconstructed in 1991, so it is 65 years old, older 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 250 vehicles a day, roughly 2% of them trucks, projected to reach 400 by 2040. The structure is 31 ft (9.4 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNfa A149
CrossesBranch
Location2.5 MI North of SR24
RouteCounty Highway 0A149
Coordinates36.2652, -86.3435
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length31 ft (9.4 m)
Longest span10 ft (3 m)
Deck width30 ft (9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2020)
Projected traffic400 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 A149 over Branch built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1991.

What condition is Nfa A149 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 April 2024.

How much traffic does Nfa A149 over Branch carry?

About 250 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A149 over Branch?

The structure is 31 ft (9.4 m) long with a longest span of 10 ft (3 m) and a deck 30 ft wide.

Who owns Nfa A149 over Branch?

It is owned by the County Highway Agency.