US Bridges

FAU 3729 over Branch

Fair

Anderson County, Tennessee · In City of Oak Ridge · Structure no. 01M37290001

Built
1975
50 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
24 ft
3 main spans
Daily traffic
2,315
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 3729 over Branch is a concrete culvert carrying FAU 3729 over Branch in Anderson County, Tennessee. It was built in 1975, so it is 50 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 5 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 2,315 vehicles a day, roughly 1% of them trucks, projected to reach 6,280 by 2041. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFAU 3729
CrossesBranch
LocationIn City of Oak Ridge
RouteCity Street 3729
Coordinates36.0115, -84.27785
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
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
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 15
Structure length24 ft (7.3 m)
Longest span5 ft (1.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,315 (2021)
Projected traffic6,280 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 3729 over Branch built?

It was built in 1975, making it 50 years old in 2025.

What condition is FAU 3729 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 June 2023.

How much traffic does FAU 3729 over Branch carry?

About 2,315 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is FAU 3729 over Branch?

The structure is 24 ft (7.3 m) long with a longest span of 5 ft (1.5 m).

Who owns FAU 3729 over Branch?

It is owned by the City or Municipal Highway Agency.