US Bridges

Nfa A088 over Branch

Good

Williamson County, Tennessee · .6 M NE JCT SR46&SR106 · Structure no. 940A0880005

Built
1985
40 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete Continuous
Length
34 ft
2 main spans
Daily traffic
760
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A088 over Branch is a concrete continuous culvert carrying Nfa A088 over Branch in Williamson County, Tennessee. It was built in 1985, so it is 40 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 760 vehicles a day, roughly 2% of them trucks, projected to reach 1,216 by 2041. The structure is 34 ft (10.4 m) long and 47 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNfa A088
CrossesBranch
Location.6 M NE JCT SR46&SR106
RouteCounty Highway 88
Coordinates36.01078, -86.88775
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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span15 ft (4.6 m)
Deck width47 ft (14.4 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic760 (2020)
Projected traffic1,216 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 A088 over Branch built?

It was built in 1985, making it 40 years old in 2025.

What condition is Nfa A088 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 July 2023.

How much traffic does Nfa A088 over Branch carry?

About 760 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A088 over Branch?

The structure is 34 ft (10.4 m) long with a longest span of 15 ft (4.6 m) and a deck 47 ft wide.

Who owns Nfa A088 over Branch?

It is owned by the County Highway Agency.