US Bridges

County Road over Laurel Creek

Good

Grundy County, Tennessee · Red Spartain Road · Structure no. 310A4940001

Built
2012
13 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete Continuous
Length
64 ft
3 main spans
Daily traffic
20
2020 count
Owner
County
County Highway Agency

About this bridge

County Road over Laurel Creek is a concrete continuous culvert carrying County Road over Laurel Creek in Grundy 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 20 vehicles a day, roughly 1% of them trucks, projected to reach 32 by 2040. The structure is 64 ft (19.5 m) long and 23 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

Location

Open in Google Maps
CarriesCounty Road
CrossesLaurel Creek
LocationRed Spartain Road
RouteCounty Highway 0A494
CountyGrundy County
StateTennessee
Coordinates35.37495, -85.83493
Functional classRural Local

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 inspectionJune 2024
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating74.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length64 ft (19.5 m)
Longest span18 ft (5.5 m)
Deck width23 ft (6.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2020)
Projected traffic32 by 2040
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 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 County Road over Laurel Creek built?

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

What condition is County Road over Laurel 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 June 2024.

How much traffic does County Road over Laurel Creek carry?

About 20 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is County Road over Laurel Creek?

The structure is 64 ft (19.5 m) long with a longest span of 18 ft (5.5 m) and a deck 23 ft wide.

Who owns County Road over Laurel Creek?

It is owned by the County Highway Agency.