US Bridges

FAU 17 over Mountain Stream

Good

Hamilton County, Tennessee · .1 Mi.North of Ga. St. LN · Structure no. 33SR0170001

Built
2012
13 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
10,261
2021 count
Owner
State
State Highway Agency

About this bridge

FAU 17 over Mountain Stream is a concrete continuous culvert carrying FAU 17 over Mountain Stream in Hamilton County, Tennessee. It was built in 2012, so it is 13 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 10,261 vehicles a day, roughly 4% of them trucks, projected to reach 15,984 by 2041. The structure is 24 ft (7.2 m) long and 62 ft wide. If it were closed, the detour would be 17.4 mi (28 km).

Location

Open in Google Maps
CarriesFAU 17
CrossesMountain Stream
Location.1 Mi.North of Ga. St. LN
RouteState Highway 17
CountyHamilton County
StateTennessee
Coordinates34.98517, -85.33272
Functional classUrban Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length24 ft (7.2 m)
Longest span10 ft (3 m)
Deck width62 ft (18.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,261 (2021)
Projected traffic15,984 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed17.4 mi (28 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 17 over Mountain Stream built?

It was built in 2012, making it 13 years old in 2025.

What condition is FAU 17 over Mountain Stream 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 2024.

How much traffic does FAU 17 over Mountain Stream carry?

About 10,261 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAU 17 over Mountain Stream?

The structure is 24 ft (7.2 m) long with a longest span of 10 ft (3 m) and a deck 62 ft wide.

Who owns FAU 17 over Mountain Stream?

It is owned by the State Highway Agency.