US Bridges

Nfa A150 (sa 1116) over Blue Spring Creek

Fair

Cheatham County, Tennessee · 3.1 M. E. SR49. · Structure no. 110A1500001

Built
1970
55 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
26 ft
1 main span
Daily traffic
210
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A150 (sa 1116) over Blue Spring Creek is a concrete culvert carrying Nfa A150 (sa 1116) over Blue Spring Creek in Cheatham 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 210 vehicles a day, roughly 4% of them trucks, projected to reach 336 by 2040. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesNfa A150 (sa 1116)
CrossesBlue Spring Creek
Location3.1 M. E. SR49.
RouteCounty Highway 150
CountyCheatham County
StateTennessee
Coordinates36.32297, -86.98772
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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50.7 US tons
Inventory rating29.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length26 ft (7.9 m)
Longest span25 ft (7.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic210 (2020)
Projected traffic336 by 2040
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$382,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A150 (sa 1116) over Blue Spring Creek built?

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

What condition is Nfa A150 (sa 1116) over Blue Spring 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 2024.

How much traffic does Nfa A150 (sa 1116) over Blue Spring Creek carry?

About 210 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A150 (sa 1116) over Blue Spring Creek?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m).

Who owns Nfa A150 (sa 1116) over Blue Spring Creek?

It is owned by the County Highway Agency.