US Bridges

FAU 3994 over Branch

Good

Washington County, Tennessee · In Johnson City · Structure no. 90033940007

Built
1984
41 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
8,080
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 3994 over Branch is a concrete continuous culvert carrying FAU 3994 over Branch in Washington 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 8,080 vehicles a day, roughly 4% of them trucks, projected to reach 12,928 by 2042. The structure is 26 ft (8 m) long and 35 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesFAU 3994
CrossesBranch
LocationIn Johnson City
RouteCity Street 3994
CountyWashington County
StateTennessee
Coordinates36.30158, -82.38576
Functional classUrban Minor Arterial

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 evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length26 ft (8 m)
Longest span12 ft (3.7 m)
Deck width35 ft (10.8 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,080 (2021)
Projected traffic12,928 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$128,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 3994 over Branch built?

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

What condition is FAU 3994 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 FAU 3994 over Branch carry?

About 8,080 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAU 3994 over Branch?

The structure is 26 ft (8 m) long with a longest span of 12 ft (3.7 m) and a deck 35 ft wide.

Who owns FAU 3994 over Branch?

It is owned by the City or Municipal Highway Agency.