US Bridges

Nfa B001 over Mill Creek

FairPosted for load

Hickman County, Tennessee · 2.8 M W of SR 100 · Structure no. 410A1370003

Built
1991
34 years old, rebuilt 2017
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
290
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa B001 over Mill Creek is a steel stringer/multi-beam or girder carrying Nfa B001 over Mill Creek in Hickman County, Tennessee. It was built in 1991 and reconstructed in 2017, so it is 34 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. Its operating status is: posted for load restriction.

It carries about 290 vehicles a day, roughly 2% of them trucks, projected to reach 464 by 2042. The structure is 50 ft (15.2 m) long and 12 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesNfa B001
CrossesMill Creek
Location2.8 M W of SR 100
RouteCounty Highway 1
Coordinates35.88115, -87.39062
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating15.8 US tons
Inventory rating12.1 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span47 ft (14.4 m)
Deck width12 ft (3.7 m)
Roadway width11 ft (3.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic290 (2020)
Projected traffic464 by 2042
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$683,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa B001 over Mill Creek built?

It was built in 1991, making it 34 years old in 2025. It was reconstructed in 2017.

What condition is Nfa B001 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 September 2023.

How much traffic does Nfa B001 over Mill Creek carry?

About 290 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa B001 over Mill Creek?

The structure is 50 ft (15.2 m) long with a longest span of 47 ft (14.4 m) and a deck 12 ft wide.

Who owns Nfa B001 over Mill Creek?

It is owned by the County Highway Agency.