US Bridges

On Rp to I124 SB over Southern Rwy

Good

Hamilton County, Tennessee · 4 Mi. W. of Tn. Rv. · Structure no. 33I01240021

Built
2020
5 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
104 ft
1 main span
Daily traffic
65,235
2021 count
Owner
State
State Highway Agency

About this bridge

On Rp to I124 SB over Southern Rwy is a prestressed concrete stringer/multi-beam or girder carrying On Rp to I124 SB over Southern Rwy in Hamilton County, Tennessee. It was built in 2020, so it is 5 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 65,235 vehicles a day, roughly 6% of them trucks, projected to reach 55,440 by 2040. The structure is 104 ft (31.7 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOn Rp to I124 SB
CrossesSouthern Rwy
Location4 Mi. W. of Tn. Rv.
RouteInterstate 124
Coordinates35.0389, -85.31927
Functional classUrban Principal Arterial - Interstate

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length104 ft (31.7 m)
Longest span100 ft (30.4 m)
Deck width31 ft (9.5 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic65,235 (2021)
Projected traffic55,440 by 2040
Trucks6%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was On Rp to I124 SB over Southern Rwy built?

It was built in 2020, making it 5 years old in 2025.

What condition is On Rp to I124 SB over Southern Rwy 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 August 2024.

How much traffic does On Rp to I124 SB over Southern Rwy carry?

About 65,235 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is On Rp to I124 SB over Southern Rwy?

The structure is 104 ft (31.7 m) long with a longest span of 100 ft (30.4 m) and a deck 31 ft wide.

Who owns On Rp to I124 SB over Southern Rwy?

It is owned by the State Highway Agency.