US Bridges

Nfa A524 over Summers Branch

Good

Sumner County, Tennessee · 3.7 MI NW JCT SR76&SR109 · Structure no. 830A5240001

Built
1984
41 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete Continuous
Length
44 ft
4 main spans
Daily traffic
740
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A524 over Summers Branch is a concrete continuous culvert carrying Nfa A524 over Summers Branch in Sumner 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 740 vehicles a day, roughly 5% of them trucks, projected to reach 1,184 by 2041. The structure is 44 ft (13.4 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesNfa A524
CrossesSummers Branch
Location3.7 MI NW JCT SR76&SR109
RouteCounty Highway 0A524
CountySumner County
StateTennessee
Coordinates36.58893, -86.55228
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 inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span10 ft (3 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic740 (2020)
Projected traffic1,184 by 2041
Trucks5%
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 statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$322,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A524 over Summers Branch built?

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

What condition is Nfa A524 over Summers 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 January 2025.

How much traffic does Nfa A524 over Summers Branch carry?

About 740 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Nfa A524 over Summers Branch?

The structure is 44 ft (13.4 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns Nfa A524 over Summers Branch?

It is owned by the County Highway Agency.