US Bridges

Nfa A310 over Cascade Creek

Good

Coffee County, Tennessee · .5 MI from Bedford CO LN · Structure no. 160A3100003

Built
1950
75 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete Continuous
Length
40 ft
3 main spans
Daily traffic
240
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A310 over Cascade Creek is a concrete continuous culvert carrying Nfa A310 over Cascade Creek in Coffee County, Tennessee. It was built in 1950, so it is 75 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 240 vehicles a day, roughly 2% of them trucks, projected to reach 384 by 2042. The structure is 40 ft (12.1 m) long and 22 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesNfa A310
CrossesCascade Creek
Location.5 MI from Bedford CO LN
RouteCounty Highway 310
CountyCoffee County
StateTennessee
Coordinates35.43823, -86.2454
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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length40 ft (12.1 m)
Longest span11 ft (3.4 m)
Deck width22 ft (6.6 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic240 (2020)
Projected traffic384 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$188,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A310 over Cascade Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is Nfa A310 over Cascade 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 2024.

How much traffic does Nfa A310 over Cascade Creek carry?

About 240 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A310 over Cascade Creek?

The structure is 40 ft (12.1 m) long with a longest span of 11 ft (3.4 m) and a deck 22 ft wide.

Who owns Nfa A310 over Cascade Creek?

It is owned by the County Highway Agency.