US Bridges

Nfa A523 over Richland Creek

Good

Rhea County, Tennessee · .02 MI from SR 29 · Structure no. 720A5230001

Built
2003
22 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
50 ft
1 main span
Daily traffic
130
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A523 over Richland Creek is a concrete box beam or girders - multiple carrying Nfa A523 over Richland Creek in Rhea County, Tennessee. It was built in 2003, so it is 22 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 130 vehicles a day, roughly 2% of them trucks, projected to reach 208 by 2038. The structure is 50 ft (15.3 m) long and 30 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa A523
CrossesRichland Creek
Location.02 MI from SR 29
RouteCounty Highway 523
Coordinates35.54387, -84.9705
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating28.2 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length50 ft (15.3 m)
Longest span49 ft (15 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2020)
Projected traffic208 by 2038
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 A523 over Richland Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is Nfa A523 over Richland 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 October 2024.

How much traffic does Nfa A523 over Richland Creek carry?

About 130 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A523 over Richland Creek?

The structure is 50 ft (15.3 m) long with a longest span of 49 ft (15 m) and a deck 30 ft wide.

Who owns Nfa A523 over Richland Creek?

It is owned by the County Highway Agency.