US Bridges

Nfa 2534 (sa 2902) over Richland Creek

PoorPosted for load

Grainger County, Tennessee · East of SR1 · Structure no. 29025340001

Built
1975
50 years old
Condition
Poor
inspected April 2023
Type
Channel Beam
Concrete
Length
64 ft
2 main spans
Daily traffic
887
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2534 (sa 2902) over Richland Creek is a concrete channel beam carrying Nfa 2534 (sa 2902) over Richland Creek in Grainger County, Tennessee. It was built in 1975, so it is 50 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 887 vehicles a day, roughly 3% of them trucks, projected to reach 1,496 by 2041. The structure is 64 ft (19.5 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNfa 2534 (sa 2902)
CrossesRichland Creek
LocationEast of SR1
RouteCounty Highway 2534
Coordinates36.18263, -83.6778
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating15.8 US tons
Inventory rating12.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length64 ft (19.5 m)
Longest span28 ft (8.5 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic887 (2021)
Projected traffic1,496 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$824,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 2534 (sa 2902) over Richland Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Nfa 2534 (sa 2902) over Richland Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2023.

How much traffic does Nfa 2534 (sa 2902) over Richland Creek carry?

About 887 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 2534 (sa 2902) over Richland Creek?

The structure is 64 ft (19.5 m) long with a longest span of 28 ft (8.5 m) and a deck 26 ft wide.

Who owns Nfa 2534 (sa 2902) over Richland Creek?

It is owned by the County Highway Agency.