US Bridges

Nfa A489 over Wright Branch

Fair

Wilson County, Tennessee · 0.2 MI North SR265 · Structure no. 950A4890001

Built
1987
38 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
1,691
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa A489 over Wright Branch is a concrete continuous culvert carrying Nfa A489 over Wright Branch in Wilson County, Tennessee. It was built in 1987, so it is 38 years old, younger 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 1,691 vehicles a day, roughly 3% of them trucks, projected to reach 2,512 by 2041. The structure is 25 ft (7.6 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesNfa A489
CrossesWright Branch
Location0.2 MI North SR265
RouteCounty Highway 6100
CountyWilson County
StateTennessee
Coordinates36.15178, -86.49588
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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
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 rating45.7 US tons
Inventory rating28.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 10
Structure length25 ft (7.6 m)
Longest span10 ft (3 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,691 (2021)
Projected traffic2,512 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$118,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A489 over Wright Branch built?

It was built in 1987, making it 38 years old in 2025.

What condition is Nfa A489 over Wright 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 June 2024.

How much traffic does Nfa A489 over Wright Branch carry?

About 1,691 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa A489 over Wright Branch?

The structure is 25 ft (7.6 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns Nfa A489 over Wright Branch?

It is owned by the County Highway Agency.