US Bridges

Nfa A317 over Stewman Creek

Good

Decatur County, Tennessee · 3.8 MI NW JCT SR69&SR202 · Structure no. 200A3170001

Built
2020
5 years old
Condition
Good
inspected January 2024
Type
Slab
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
30
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A317 over Stewman Creek is a prestressed concrete slab carrying Nfa A317 over Stewman Creek in Decatur County, Tennessee. It was built in 2020, so it is 5 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 30 vehicles a day, roughly 2% of them trucks, projected to reach 48 by 2042. The structure is 30 ft (9 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNfa A317
CrossesStewman Creek
Location3.8 MI NW JCT SR69&SR202
RouteCounty Highway 317
Coordinates35.44316, -88.19914
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length30 ft (9 m)
Longest span30 ft (9 m)
Deck width29 ft (8.7 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2020)
Projected traffic48 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 A317 over Stewman Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is Nfa A317 over Stewman 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 January 2024.

How much traffic does Nfa A317 over Stewman Creek carry?

About 30 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A317 over Stewman Creek?

The structure is 30 ft (9 m) long with a longest span of 30 ft (9 m) and a deck 29 ft wide.

Who owns Nfa A317 over Stewman Creek?

It is owned by the County Highway Agency.