US Bridges

SR 317 over Chestnut Creek

Good

Hamilton County, Tennessee · 2 MI E of SR-321 Jct. · Structure no. 33SR3170011

Built
2022
3 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
150 ft
3 main spans
Daily traffic
6,313
2021 count
Owner
State
State Highway Agency

About this bridge

SR 317 over Chestnut Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 317 over Chestnut Creek in Hamilton County, Tennessee. It was built in 2022, so it is 3 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 6,313 vehicles a day, roughly 6% of them trucks, projected to reach 10,101 by 2042. The structure is 150 ft (45.7 m) long and 90 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR 317
CrossesChestnut Creek
Location2 MI E of SR-321 Jct.
RouteState Highway 317
CountyHamilton County
StateTennessee
Coordinates35.04757, -85.03664
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length150 ft (45.7 m)
Longest span70 ft (21.3 m)
Deck width90 ft (27.4 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,313 (2021)
Projected traffic10,101 by 2042
Trucks6%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 SR 317 over Chestnut Creek built?

It was built in 2022, making it 3 years old in 2025.

What condition is SR 317 over Chestnut Creek 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 October 2024.

How much traffic does SR 317 over Chestnut Creek carry?

About 6,313 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is SR 317 over Chestnut Creek?

The structure is 150 ft (45.7 m) long with a longest span of 70 ft (21.3 m) and a deck 90 ft wide.

Who owns SR 317 over Chestnut Creek?

It is owned by the State Highway Agency.