US Bridges

FAU 34 over Branch

Fair

Washington County, Tennessee · In Johnson City · Structure no. 90SR0340015

Built
1970
55 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
19,605
2021 count
Owner
State
State Highway Agency

About this bridge

FAU 34 over Branch is a concrete continuous culvert carrying FAU 34 over Branch in Washington County, Tennessee. It was built in 1970, so it is 55 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 19,605 vehicles a day, roughly 9% of them trucks, projected to reach 22,646 by 2042. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesFAU 34
CrossesBranch
LocationIn Johnson City
RouteU.S. Route 11
CountyWashington County
StateTennessee
Coordinates36.3176, -82.36668
Functional classUrban Other Principal Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.3 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,605 (2021)
Projected traffic22,646 by 2042
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$298,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 34 over Branch built?

It was built in 1970, making it 55 years old in 2025.

What condition is FAU 34 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 October 2023.

How much traffic does FAU 34 over Branch carry?

About 19,605 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is FAU 34 over Branch?

The structure is 21 ft (6.3 m) long with a longest span of 8 ft (2.4 m).

Who owns FAU 34 over Branch?

It is owned by the State Highway Agency.