US Bridges

Nfa B475 over Rogers Creek

Fair

McMinn County, Tennessee · 4 Miles West of Athens · Structure no. 54SR0300003

Built
1931
94 years old
Condition
Fair
inspected September 2023
Type
Tee Beam
Concrete
Length
143 ft
5 main spans
Daily traffic
380
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa B475 over Rogers Creek is a concrete tee beam carrying Nfa B475 over Rogers Creek in McMinn County, Tennessee. It was built in 1931, so it is 94 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 380 vehicles a day, roughly 6% of them trucks, projected to reach 608 by 2042. The structure is 143 ft (43.6 m) long and 27 ft wide. If it were closed, the detour would be 52.8 mi (85 km).

Location

Open in Google Maps
CarriesNfa B475
CrossesRogers Creek
Location4 Miles West of Athens
RouteCounty Highway 475
CountyMcMinn County
StateTennessee
Coordinates35.48119, -84.69862
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating31.1 US tons
Inventory rating24.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length143 ft (43.6 m)
Longest span29 ft (8.8 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic380 (2020)
Projected traffic608 by 2042
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed52.8 mi (85 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$203,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa B475 over Rogers Creek built?

It was built in 1931, making it 94 years old in 2025.

What condition is Nfa B475 over Rogers 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 September 2023.

How much traffic does Nfa B475 over Rogers Creek carry?

About 380 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Nfa B475 over Rogers Creek?

The structure is 143 ft (43.6 m) long with a longest span of 29 ft (8.8 m) and a deck 27 ft wide.

Who owns Nfa B475 over Rogers Creek?

It is owned by the County Highway Agency.