US Bridges

Nfa 1173 (sa 4404) over Cub Creek

Fair

Jackson County, Tennessee · 1MI East of SR85 · Structure no. 44F00170003

Built
1970
55 years old
Condition
Fair
inspected August 2023
Type
Culvert
Steel
Length
35 ft
2 main spans
Daily traffic
260
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1173 (sa 4404) over Cub Creek is a steel culvert carrying Nfa 1173 (sa 4404) over Cub Creek in Jackson County, Tennessee. It was built in 1970, so it is 55 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 260 vehicles a day, roughly 3% of them trucks, projected to reach 362 by 2041. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesNfa 1173 (sa 4404)
CrossesCub Creek
Location1MI East of SR85
RouteCounty Highway 1173
CountyJackson County
StateTennessee
Coordinates36.3961, -85.7097
Functional classRural Minor Collector

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating91.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length35 ft (10.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic260 (2021)
Projected traffic362 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 1173 (sa 4404) over Cub Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Nfa 1173 (sa 4404) over Cub 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 August 2023.

How much traffic does Nfa 1173 (sa 4404) over Cub Creek carry?

About 260 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1173 (sa 4404) over Cub Creek?

The structure is 35 ft (10.7 m) long with a longest span of 10 ft (3 m).

Who owns Nfa 1173 (sa 4404) over Cub Creek?

It is owned by the County Highway Agency.