US Bridges

Nfa A137 over Mill Creek

Good

Hickman County, Tennessee · 2.8 M W of SR 100 · Structure no. 410A1370001

Built
2013
12 years old
Condition
Good
inspected September 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
290
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A137 over Mill Creek is a prestressed concrete box beam or girders - single or spread carrying Nfa A137 over Mill Creek in Hickman County, Tennessee. It was built in 2013, so it is 12 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 290 vehicles a day, roughly 2% of them trucks, projected to reach 464 by 2042. The structure is 52 ft (15.9 m) long and 20 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesNfa A137
CrossesMill Creek
Location2.8 M W of SR 100
RouteCounty Highway 137
Coordinates35.87107, -87.42529
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length52 ft (15.9 m)
Longest span48 ft (14.5 m)
Deck width20 ft (6 m)
Roadway width14 ft (4.4 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$223,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A137 over Mill Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is Nfa A137 over Mill Creek 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 September 2023.

How much traffic does Nfa A137 over Mill Creek carry?

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

How long is Nfa A137 over Mill Creek?

The structure is 52 ft (15.9 m) long with a longest span of 48 ft (14.5 m) and a deck 20 ft wide.

Who owns Nfa A137 over Mill Creek?

It is owned by the County Highway Agency.