US Bridges

FAS 317 over Maroon Branch

Good

Bradley County, Tennessee · 1.8 MI W of SR60 JCT · Structure no. 06SR3170001

Built
1994
31 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
1,053
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 317 over Maroon Branch is a concrete continuous culvert carrying FAS 317 over Maroon Branch in Bradley County, Tennessee. It was built in 1994, so it is 31 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 1,053 vehicles a day, roughly 5% of them trucks, projected to reach 1,648 by 2039. The structure is 25 ft (7.7 m) long and 40 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesFAS 317
CrossesMaroon Branch
Location1.8 MI W of SR60 JCT
RouteState Highway 317
CountyBradley County
StateTennessee
Coordinates35.0191, -84.94475
Functional classRural Major 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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length25 ft (7.7 m)
Longest span12 ft (3.7 m)
Deck width40 ft (12.1 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,053 (2021)
Projected traffic1,648 by 2039
Trucks5%
Lanes on structure2
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 317 over Maroon Branch built?

It was built in 1994, making it 31 years old in 2025.

What condition is FAS 317 over Maroon 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 August 2023.

How much traffic does FAS 317 over Maroon Branch carry?

About 1,053 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAS 317 over Maroon Branch?

The structure is 25 ft (7.7 m) long with a longest span of 12 ft (3.7 m) and a deck 40 ft wide.

Who owns FAS 317 over Maroon Branch?

It is owned by the State Highway Agency.