US Bridges

FAS 146 over Dry Creek

Good

Cannon County, Tennessee · .9 Mi.W.Of Dekalb Co. Li. · Structure no. 08SR1460003

Built
1948
77 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
1,855
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 146 over Dry Creek is a concrete continuous culvert carrying FAS 146 over Dry Creek in Cannon County, Tennessee. It was built in 1948, so it is 77 years old, older 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 1,855 vehicles a day, roughly 5% of them trucks, projected to reach 2,864 by 2041. The structure is 21 ft (6.3 m) long and 28 ft wide. If it were closed, the detour would be 52.2 mi (84 km).

CarriesFAS 146
CrossesDry Creek
Location.9 Mi.W.Of Dekalb Co. Li.
RouteState Highway 146
Coordinates35.86804, -85.92289
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 inspectionJanuary 2025
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating30.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,855 (2021)
Projected traffic2,864 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed52.2 mi (84 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$95,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 146 over Dry Creek built?

It was built in 1948, making it 77 years old in 2025.

What condition is FAS 146 over Dry 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 January 2025.

How much traffic does FAS 146 over Dry Creek carry?

About 1,855 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAS 146 over Dry Creek?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m) and a deck 28 ft wide.

Who owns FAS 146 over Dry Creek?

It is owned by the State Highway Agency.