US Bridges

Nfa B502 over Branch

Good

Sumner County, Tennessee · 2.3 MI NW JCT SR52&SR259 · Structure no. 83020620005

Built
1986
39 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete Continuous
Length
30 ft
2 main spans
Daily traffic
130
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa B502 over Branch is a concrete continuous culvert carrying Nfa B502 over Branch in Sumner 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 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 130 vehicles a day, roughly 2% of them trucks, projected to reach 208 by 2040. The structure is 30 ft (9.1 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNfa B502
CrossesBranch
Location2.3 MI NW JCT SR52&SR259
RouteCounty Highway 0B502
Coordinates36.57802, -86.42384
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating25.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span12 ft (3.7 m)
Deck width26 ft (7.9 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2020)
Projected traffic208 by 2040
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 B502 over Branch built?

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

What condition is Nfa B502 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 October 2024.

How much traffic does Nfa B502 over Branch carry?

About 130 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa B502 over Branch?

The structure is 30 ft (9.1 m) long with a longest span of 12 ft (3.7 m) and a deck 26 ft wide.

Who owns Nfa B502 over Branch?

It is owned by the County Highway Agency.