US Bridges

Nfa A173 over Middle Cane Creek

Fair

Marshall County, Tennessee · 1.3 MI NE JCT SR50&SR129 · Structure no. 590A1730001

Built
1971
54 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete Continuous
Length
31 ft
2 main spans
Daily traffic
20
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A173 over Middle Cane Creek is a concrete continuous culvert carrying Nfa A173 over Middle Cane Creek in Marshall County, Tennessee. It was built in 1971, so it is 54 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 20 vehicles a day, roughly 2% of them trucks, projected to reach 32 by 2041. The structure is 31 ft (9.4 m) long and 18 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa A173
CrossesMiddle Cane Creek
Location1.3 MI NE JCT SR50&SR129
RouteCounty Highway 173
Coordinates35.35025, -86.65442
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length31 ft (9.4 m)
Longest span15 ft (4.6 m)
Deck width18 ft (5.5 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2020)
Projected traffic32 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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$116,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A173 over Middle Cane Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is Nfa A173 over Middle Cane Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does Nfa A173 over Middle Cane Creek carry?

About 20 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A173 over Middle Cane Creek?

The structure is 31 ft (9.4 m) long with a longest span of 15 ft (4.6 m) and a deck 18 ft wide.

Who owns Nfa A173 over Middle Cane Creek?

It is owned by the County Highway Agency.