US Bridges

Nfa 2151 (sa 0814) over Martin Branch

Good

Cannon County, Tennessee · 3MI East of SR53 · Structure no. 08021510001

Built
1984
41 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete Continuous
Length
34 ft
2 main spans
Daily traffic
384
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2151 (sa 0814) over Martin Branch is a concrete continuous culvert carrying Nfa 2151 (sa 0814) over Martin Branch in Cannon County, Tennessee. It was built in 1984, so it is 41 years old, younger 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 384 vehicles a day, roughly 3% of them trucks, projected to reach 624 by 2041. The structure is 34 ft (10.5 m) long and 26 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesNfa 2151 (sa 0814)
CrossesMartin Branch
Location3MI East of SR53
RouteCounty Highway 2151
CountyCannon County
StateTennessee
Coordinates35.91134, -85.97353
Functional classRural Minor 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
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 rating64.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length34 ft (10.5 m)
Longest span15 ft (4.6 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic384 (2021)
Projected traffic624 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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$89,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 2151 (sa 0814) over Martin Branch built?

It was built in 1984, making it 41 years old in 2025.

What condition is Nfa 2151 (sa 0814) over Martin Branch 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 2023.

How much traffic does Nfa 2151 (sa 0814) over Martin Branch carry?

About 384 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 2151 (sa 0814) over Martin Branch?

The structure is 34 ft (10.5 m) long with a longest span of 15 ft (4.6 m) and a deck 26 ft wide.

Who owns Nfa 2151 (sa 0814) over Martin Branch?

It is owned by the County Highway Agency.