US Bridges

Nfa 2174 over Rocky Branch

Fair

Bledsoe County, Tennessee · .5 MI from US 127 · Structure no. 04021740007

Built
1977
48 years old, rebuilt 2017
Condition
Fair
inspected June 2024
Type
Culvert
Steel
Length
39 ft
3 main spans
Daily traffic
122
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2174 over Rocky Branch is a steel culvert carrying Nfa 2174 over Rocky Branch in Bledsoe County, Tennessee. It was built in 1977 and reconstructed in 2017, so it is 48 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 122 vehicles a day, roughly 4% of them trucks, projected to reach 288 by 2040. The structure is 39 ft (12 m) long and 37 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNfa 2174
CrossesRocky Branch
Location.5 MI from US 127
RouteCounty Highway 2174
CountyBledsoe County
StateTennessee
Coordinates35.68851, -85.11414
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
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 alignment8: Equal to present desirable criteria
Operating rating86.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadH 15
Structure length39 ft (12 m)
Longest span9 ft (2.7 m)
Deck width37 ft (11.3 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic122 (2021)
Projected traffic288 by 2040
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 2174 over Rocky Branch built?

It was built in 1977, making it 48 years old in 2025. It was reconstructed in 2017.

What condition is Nfa 2174 over Rocky Branch 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 June 2024.

How much traffic does Nfa 2174 over Rocky Branch carry?

About 122 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Nfa 2174 over Rocky Branch?

The structure is 39 ft (12 m) long with a longest span of 9 ft (2.7 m) and a deck 37 ft wide.

Who owns Nfa 2174 over Rocky Branch?

It is owned by the County Highway Agency.