US Bridges

Nfa 1253 (sa 7303) over Smokey Run Creek

Good

Roane County, Tennessee · E of US27 at Watts Bar Lk · Structure no. 73S24420001

Built
2007
18 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
551
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1253 (sa 7303) over Smokey Run Creek is a concrete continuous culvert carrying Nfa 1253 (sa 7303) over Smokey Run Creek in Roane County, Tennessee. It was built in 2007, so it is 18 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 551 vehicles a day, roughly 3% of them trucks, projected to reach 784 by 2041. The structure is 26 ft (7.9 m) long and 36 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 1253 (sa 7303)
CrossesSmokey Run Creek
LocationE of US27 at Watts Bar Lk
RouteCounty Highway 1253
Coordinates35.77587, -84.73483
Functional classRural Minor 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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width36 ft (11 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic551 (2021)
Projected traffic784 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Nfa 1253 (sa 7303) over Smokey Run Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is Nfa 1253 (sa 7303) over Smokey Run 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 March 2023.

How much traffic does Nfa 1253 (sa 7303) over Smokey Run Creek carry?

About 551 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1253 (sa 7303) over Smokey Run Creek?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m) and a deck 36 ft wide.

Who owns Nfa 1253 (sa 7303) over Smokey Run Creek?

It is owned by the County Highway Agency.