US Bridges

Nfa 5518 over Branch

Good

Wilson County, Tennessee · 1.5 MI East of SR109 · Structure no. 950A4480001

Built
1950
75 years old, rebuilt 1970
Condition
Good
inspected June 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
2,672
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 5518 over Branch is a concrete continuous culvert carrying Nfa 5518 over Branch in Wilson County, Tennessee. It was built in 1950 and reconstructed in 1970, so it is 75 years old, older 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 2,672 vehicles a day, roughly 3% of them trucks, projected to reach 4,304 by 2040. The structure is 21 ft (6.4 m) long and 27 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesNfa 5518
CrossesBranch
Location1.5 MI East of SR109
RouteCounty Highway 5518
CountyWilson County
StateTennessee
Coordinates36.20155, -86.386
Functional classUrban Collector

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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.8 US tons
Inventory rating22.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width27 ft (8.2 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,672 (2021)
Projected traffic4,304 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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$215,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 5518 over Branch built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1970.

What condition is Nfa 5518 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 June 2024.

How much traffic does Nfa 5518 over Branch carry?

About 2,672 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 5518 over Branch?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 27 ft wide.

Who owns Nfa 5518 over Branch?

It is owned by the County Highway Agency.