US Bridges

Nfa A151 over Erin Branch

Fair

Houston County, Tennessee · Arlington St. in Erin. · Structure no. 420A1510001

Built
1993
32 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
2,780
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A151 over Erin Branch is a concrete continuous culvert carrying Nfa A151 over Erin Branch in Houston County, Tennessee. It was built in 1993, so it is 32 years old, younger 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 2,780 vehicles a day, roughly 2% of them trucks, projected to reach 4,448 by 2042. The structure is 26 ft (7.9 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNfa A151
CrossesErin Branch
LocationArlington St. in Erin.
RouteCity Street 151
CountyHouston County
StateTennessee
Coordinates36.31593, -87.71281
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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating80.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width36 ft (11 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,780 (2020)
Projected traffic4,448 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 A151 over Erin Branch built?

It was built in 1993, making it 32 years old in 2025.

What condition is Nfa A151 over Erin 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 February 2024.

How much traffic does Nfa A151 over Erin Branch carry?

About 2,780 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A151 over Erin Branch?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m) and a deck 36 ft wide.

Who owns Nfa A151 over Erin Branch?

It is owned by the City or Municipal Highway Agency.