US Bridges

Nfa 2048 (sa 8302) over Branch

Fair

Sumner County, Tennessee · 4.1 MI NW JCT SR174&AR258 · Structure no. 83020480003

Built
1955
70 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete Continuous
Length
33 ft
2 main spans
Daily traffic
771
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2048 (sa 8302) over Branch is a concrete continuous culvert carrying Nfa 2048 (sa 8302) over Branch in Sumner County, Tennessee. It was built in 1955, so it is 70 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 771 vehicles a day, roughly 3% of them trucks, projected to reach 1,248 by 2041. The structure is 33 ft (10.1 m) long and 23 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesNfa 2048 (sa 8302)
CrossesBranch
Location4.1 MI NW JCT SR174&AR258
RouteCounty Highway 2048
Coordinates36.41537, -86.66562
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
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 rating35.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width23 ft (6.9 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic771 (2021)
Projected traffic1,248 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$134,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 2048 (sa 8302) over Branch built?

It was built in 1955, making it 70 years old in 2025.

What condition is Nfa 2048 (sa 8302) over Branch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2025.

How much traffic does Nfa 2048 (sa 8302) over Branch carry?

About 771 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 2048 (sa 8302) over Branch?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m) and a deck 23 ft wide.

Who owns Nfa 2048 (sa 8302) over Branch?

It is owned by the County Highway Agency.