US Bridges

I-65 NB over Spring Creek

Fair

Boone County, Indiana · 00.61 S SR 47 · Structure no. 037280

Built
1970
55 years old, rebuilt 2002
Condition
Fair
inspected June 2023
Type
Slab
Concrete Continuous
Length
97 ft
3 main spans
Daily traffic
21,880
2017 count
Owner
State
State Highway Agency

About this bridge

I-65 NB over Spring Creek is a concrete continuous slab carrying I-65 NB over Spring Creek in Boone County, Indiana. It was built in 1970 and reconstructed in 2002, so it is 55 years old, older than the Indiana average of 46.6 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 21,880 vehicles a day, roughly 34% of them trucks, projected to reach 25,450 by 2027. The structure is 97 ft (29.7 m) long and 60 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI-65 NB
CrossesSpring Creek
Location00.61 S SR 47
RouteInterstate 65
CountyBoone County
StateIndiana
Coordinates40.1179, -86.51505
Functional classRural 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating46.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length97 ft (29.7 m)
Longest span40 ft (12.1 m)
Deck width60 ft (18.2 m)
Roadway width57 ft (17.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,880 (2017)
Projected traffic25,450 by 2027
Trucks34%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 I-65 NB over Spring Creek built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2002.

What condition is I-65 NB 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 June 2023.

How much traffic does I-65 NB over Spring Creek carry?

About 21,880 vehicles per day (2017 count), of which roughly 34% are trucks.

How long is I-65 NB over Spring Creek?

The structure is 97 ft (29.7 m) long with a longest span of 40 ft (12.1 m) and a deck 60 ft wide.

Who owns I-65 NB over Spring Creek?

It is owned by the State Highway Agency.