US Bridges

Nfa 1657 (sa 5501) over Boles Creek

Good

McNairy County, Tennessee · 3 MI S of SR57 · Structure no. 55016570001

Built
2000
25 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete Continuous
Length
34 ft
2 main spans
Daily traffic
60
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1657 (sa 5501) over Boles Creek is a concrete continuous culvert carrying Nfa 1657 (sa 5501) over Boles Creek in McNairy County, Tennessee. It was built in 2000, so it is 25 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 60 vehicles a day, roughly 2% of them trucks, projected to reach 96 by 2042. The structure is 34 ft (10.4 m) long and 28 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesNfa 1657 (sa 5501)
CrossesBoles Creek
Location3 MI S of SR57
RouteCounty Highway 1657
Coordinates35.04936, -88.70736
Functional classRural Minor Collector

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span15 ft (4.6 m)
Deck width28 ft (8.4 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2021)
Projected traffic96 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1657 (sa 5501) over Boles Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is Nfa 1657 (sa 5501) over Boles 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 August 2024.

How much traffic does Nfa 1657 (sa 5501) over Boles Creek carry?

About 60 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Nfa 1657 (sa 5501) over Boles Creek?

The structure is 34 ft (10.4 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.

Who owns Nfa 1657 (sa 5501) over Boles Creek?

It is owned by the County Highway Agency.