US Bridges

Nfa 2236 (sa 7127) over Mill Creek

Fair

Putnam County, Tennessee · 2MI from SR 135 · Structure no. 71022360001

Built
2007
18 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
25 ft
1 main span
Daily traffic
1,261
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2236 (sa 7127) over Mill Creek is a concrete culvert carrying Nfa 2236 (sa 7127) over Mill Creek in Putnam County, Tennessee. It was built in 2007, so it is 18 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 1,261 vehicles a day, roughly 3% of them trucks, projected to reach 1,792 by 2040. The structure is 25 ft (7.6 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 2236 (sa 7127)
CrossesMill Creek
Location2MI from SR 135
RouteCounty Highway 2236
Coordinates36.25604, -85.50238
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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width31 ft (9.3 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,261 (2021)
Projected traffic1,792 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 2236 (sa 7127) over Mill Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is Nfa 2236 (sa 7127) over Mill 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 2236 (sa 7127) over Mill Creek carry?

About 1,261 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 2236 (sa 7127) over Mill Creek?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 31 ft wide.

Who owns Nfa 2236 (sa 7127) over Mill Creek?

It is owned by the County Highway Agency.