US Bridges

Nfa A028 over Mill Creek

Good

Obion County, Tennessee · 2.9 MI NW JCT SR21&SR184 · Structure no. 660A0280003

Built
2019
6 years old
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Multiple
Concrete
Length
80 ft
1 main span
Daily traffic
420
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A028 over Mill Creek is a concrete box beam or girders - multiple carrying Nfa A028 over Mill Creek in Obion County, Tennessee. It was built in 2019, so it is 6 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 420 vehicles a day, roughly 4% of them trucks, projected to reach 672 by 2041. The structure is 80 ft (24.4 m) long and 28 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesNfa A028
CrossesMill Creek
Location2.9 MI NW JCT SR21&SR184
RouteCounty Highway 218
Coordinates36.34694, -89.21306
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length80 ft (24.4 m)
Longest span80 ft (24.4 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic420 (2020)
Projected traffic672 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 A028 over Mill Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is Nfa A028 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 March 2023.

How much traffic does Nfa A028 over Mill Creek carry?

About 420 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A028 over Mill Creek?

The structure is 80 ft (24.4 m) long with a longest span of 80 ft (24.4 m) and a deck 28 ft wide.

Who owns Nfa A028 over Mill Creek?

It is owned by the County Highway Agency.