US Bridges

I75 SB over Spring Creek

Fair

Hamilton County, Tennessee · I24 I75 Interchange · Structure no. 33I00750090

Built
2021
4 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
129 ft
1 main span
Daily traffic
110,752
2021 count
Owner
State
State Highway Agency

About this bridge

I75 SB over Spring Creek is a prestressed concrete stringer/multi-beam or girder carrying I75 SB over Spring Creek in Hamilton County, Tennessee. It was built in 2021, so it is 4 years old, younger 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 110,752 vehicles a day, roughly 7% of them trucks, projected to reach 149,589 by 2042. The structure is 129 ft (39.4 m) long and 62 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesI75 SB
CrossesSpring Creek
LocationI24 I75 Interchange
RouteInterstate 75
CountyHamilton County
StateTennessee
Coordinates35.00103, -85.21132
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length129 ft (39.4 m)
Longest span124 ft (37.9 m)
Deck width62 ft (19 m)
Roadway width61 ft (18.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110,752 (2021)
Projected traffic149,589 by 2042
Trucks7%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I75 SB over Spring Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is I75 SB over Spring 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 July 2024.

How much traffic does I75 SB over Spring Creek carry?

About 110,752 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is I75 SB over Spring Creek?

The structure is 129 ft (39.4 m) long with a longest span of 124 ft (37.9 m) and a deck 62 ft wide.

Who owns I75 SB over Spring Creek?

It is owned by the State Highway Agency.