US Bridges

Nfa 928 (sa 3105) over Firescald Creek

Fair

Grundy County, Tennessee · City of Altamont · Structure no. 31S43980003

Built
1970
55 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete Continuous
Length
44 ft
3 main spans
Daily traffic
778
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa 928 (sa 3105) over Firescald Creek is a concrete continuous culvert carrying Nfa 928 (sa 3105) over Firescald Creek in Grundy County, Tennessee. It was built in 1970, so it is 55 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 6 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 778 vehicles a day, roughly 3% of them trucks, projected to reach 1,248 by 2040. The structure is 44 ft (13.5 m) long and 63 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesNfa 928 (sa 3105)
CrossesFirescald Creek
LocationCity of Altamont
RouteCity Street 928
CountyGrundy County
StateTennessee
Coordinates35.44612, -85.72916
Functional classRural Minor Collector

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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 15
Structure length44 ft (13.5 m)
Longest span10 ft (3 m)
Deck width63 ft (19.1 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic778 (2021)
Projected traffic1,248 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 928 (sa 3105) over Firescald Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Nfa 928 (sa 3105) over Firescald 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 June 2024.

How much traffic does Nfa 928 (sa 3105) over Firescald Creek carry?

About 778 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 928 (sa 3105) over Firescald Creek?

The structure is 44 ft (13.5 m) long with a longest span of 10 ft (3 m) and a deck 63 ft wide.

Who owns Nfa 928 (sa 3105) over Firescald Creek?

It is owned by the City or Municipal Highway Agency.