US Bridges

FAU 58 350112N over CSX Railroad

FairPosted for load

Hamilton County, Tennessee · 1.0 Mi. S of I-24 Jct. · Structure no. 33SR0580003

Built
1920
105 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete Continuous
Length
80 ft
3 main spans
Daily traffic
11,642
2021 count
Owner
State
State Highway Agency

About this bridge

FAU 58 350112N over CSX Railroad is a concrete continuous slab carrying FAU 58 350112N over CSX Railroad in Hamilton County, Tennessee. It was built in 1920, so it is 105 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. Its operating status is: posted for load restriction.

It carries about 11,642 vehicles a day, roughly 6% of them trucks, projected to reach 15,422 by 2041. The structure is 80 ft (24.4 m) long and 49 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesFAU 58 350112N
CrossesCSX Railroad
Location1.0 Mi. S of I-24 Jct.
RouteState Highway 58
CountyHamilton County
StateTennessee
Coordinates35.0149, -85.31425
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length80 ft (24.4 m)
Longest span36 ft (11 m)
Deck width49 ft (14.9 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,642 (2021)
Projected traffic15,422 by 2041
Trucks6%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.5 million (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAU 58 350112N over CSX Railroad built?

It was built in 1920, making it 105 years old in 2025.

What condition is FAU 58 350112N over CSX Railroad 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 December 2024.

How much traffic does FAU 58 350112N over CSX Railroad carry?

About 11,642 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is FAU 58 350112N over CSX Railroad?

The structure is 80 ft (24.4 m) long with a longest span of 36 ft (11 m) and a deck 49 ft wide.

Who owns FAU 58 350112N over CSX Railroad?

It is owned by the State Highway Agency.