US Bridges

Nfa A471 over Dry Creek

Good

Maury County, Tennessee · 4 M. S. Mt. Pleasant. · Structure no. 600A4710003

Built
2011
14 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
330
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A471 over Dry Creek is a concrete culvert carrying Nfa A471 over Dry Creek in Maury County, Tennessee. It was built in 2011, so it is 14 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 330 vehicles a day, roughly 2% of them trucks, projected to reach 528 by 2040. The structure is 22 ft (6.8 m) long and 28 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesNfa A471
CrossesDry Creek
Location4 M. S. Mt. Pleasant.
RouteCounty Highway 471
Coordinates35.47055, -87.2158
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating32.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length22 ft (6.8 m)
Longest span10 ft (3 m)
Deck width28 ft (8.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic330 (2020)
Projected traffic528 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-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 with deck rehabilitation or replacement
Estimated improvement cost$61,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A471 over Dry Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is Nfa A471 over Dry 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 June 2024.

How much traffic does Nfa A471 over Dry Creek carry?

About 330 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A471 over Dry Creek?

The structure is 22 ft (6.8 m) long with a longest span of 10 ft (3 m) and a deck 28 ft wide.

Who owns Nfa A471 over Dry Creek?

It is owned by the County Highway Agency.