US Bridges

SR 39 over I-65 Sb/Nb

Good

Boone County, Indiana · 00.90 S SR 32 · Structure no. 013291

Built
2012
13 years old
Condition
Good
inspected March 2023
Type
Tee Beam
Prestressed Concrete Continuous
Length
182 ft
2 main spans
Daily traffic
14,520
2020 count
Owner
State
State Highway Agency

About this bridge

SR 39 over I-65 Sb/Nb is a prestressed concrete continuous tee beam carrying SR 39 over I-65 Sb/Nb in Boone County, Indiana. It was built in 2012, so it is 13 years old, younger than the Indiana average of 46.6 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 14,520 vehicles a day, roughly 5% of them trucks, projected to reach 16,210 by 2030. The structure is 182 ft (55.5 m) long and 88 ft wide. If it were closed, the detour would be 10.6 mi (17 km).

Location

Open in Google Maps
CarriesSR 39
CrossesI-65 Sb/Nb
Location00.90 S SR 32
RouteState Highway 39
CountyBoone County
StateIndiana
Coordinates40.0338, -86.47108
Functional classUrban Collector

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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.4 US tons
Inventory rating43.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length182 ft (55.5 m)
Longest span87 ft (26.6 m)
Deck width88 ft (26.8 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,520 (2020)
Projected traffic16,210 by 2030
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed10.6 mi (17 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 39 over I-65 Sb/Nb built?

It was built in 2012, making it 13 years old in 2025.

What condition is SR 39 over I-65 Sb/Nb 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 March 2023.

How much traffic does SR 39 over I-65 Sb/Nb carry?

About 14,520 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is SR 39 over I-65 Sb/Nb?

The structure is 182 ft (55.5 m) long with a longest span of 87 ft (26.6 m) and a deck 88 ft wide.

Who owns SR 39 over I-65 Sb/Nb?

It is owned by the State Highway Agency.