US Bridges

Nfa A410 over Richland Creek

FairPosted for load

Grainger County, Tennessee · East of SR1 · Structure no. 290A4100001

Built
1984
41 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete Continuous
Length
49 ft
3 main spans
Daily traffic
110
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A410 over Richland Creek is a concrete continuous culvert carrying Nfa A410 over Richland Creek in Grainger County, Tennessee. It was built in 1984, so it is 41 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 110 vehicles a day, roughly 6% of them trucks, projected to reach 176 by 2041. The structure is 49 ft (14.9 m) long and 25 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesNfa A410
CrossesRichland Creek
LocationEast of SR1
RouteCity Street 410
CountyGrainger County
StateTennessee
Coordinates36.16075, -83.67825
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating85.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length49 ft (14.9 m)
Longest span15 ft (4.7 m)
Deck width25 ft (7.7 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2020)
Projected traffic176 by 2041
Trucks6%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 A410 over Richland Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Nfa A410 over Richland Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2023.

How much traffic does Nfa A410 over Richland Creek carry?

About 110 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Nfa A410 over Richland Creek?

The structure is 49 ft (14.9 m) long with a longest span of 15 ft (4.7 m) and a deck 25 ft wide.

Who owns Nfa A410 over Richland Creek?

It is owned by the City or Municipal Highway Agency.