US Bridges

Nfa A297 over Graves Branch

Good

Wilson County, Tennessee · 5.2 MI NW JCT SR10&SR26 · Structure no. 950A2970001

Built
1986
39 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete Continuous
Length
58 ft
3 main spans
Daily traffic
230
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A297 over Graves Branch is a concrete continuous culvert carrying Nfa A297 over Graves Branch in Wilson County, Tennessee. It was built in 1986, so it is 39 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 230 vehicles a day, roughly 1% of them trucks, projected to reach 368 by 2038. The structure is 58 ft (17.7 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNfa A297
CrossesGraves Branch
Location5.2 MI NW JCT SR10&SR26
RouteCounty Highway 0A297
Coordinates36.29142, -86.29563
Functional classRural 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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating78.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length58 ft (17.7 m)
Longest span18 ft (5.5 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic230 (2020)
Projected traffic368 by 2038
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A297 over Graves Branch built?

It was built in 1986, making it 39 years old in 2025.

What condition is Nfa A297 over Graves 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 A297 over Graves Branch carry?

About 230 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Nfa A297 over Graves Branch?

The structure is 58 ft (17.7 m) long with a longest span of 18 ft (5.5 m) and a deck 31 ft wide.

Who owns Nfa A297 over Graves Branch?

It is owned by the County Highway Agency.