US Bridges

FAU 3310 over Tanyard Branch

Good

Lincoln County, Tennessee · Washington ST · Structure no. 52L33100001

Built
1950
75 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
1,822
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 3310 over Tanyard Branch is a concrete culvert carrying FAU 3310 over Tanyard Branch in Lincoln County, Tennessee. It was built in 1950, 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 1,822 vehicles a day, roughly 3% of them trucks, projected to reach 2,915 by 2042. The structure is 22 ft (6.8 m) long and 45 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFAU 3310
CrossesTanyard Branch
LocationWashington ST
RouteCity Street 3310
Coordinates35.15417, -86.57265
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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.5 US tons
Inventory rating25.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length22 ft (6.8 m)
Longest span22 ft (6.7 m)
Deck width45 ft (13.6 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,822 (2021)
Projected traffic2,915 by 2042
Trucks3%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 3310 over Tanyard Branch built?

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

What condition is FAU 3310 over Tanyard 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 September 2023.

How much traffic does FAU 3310 over Tanyard Branch carry?

About 1,822 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is FAU 3310 over Tanyard Branch?

The structure is 22 ft (6.8 m) long with a longest span of 22 ft (6.7 m) and a deck 45 ft wide.

Who owns FAU 3310 over Tanyard Branch?

It is owned by the City or Municipal Highway Agency.