US Bridges

CR 36 a over I-69 Nb/Sb

Good

DeKalb County, Indiana · 00.84 N SR 8 · Structure no. 040670

Built
1963
62 years old, rebuilt 2019
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
216 ft
4 main spans
Daily traffic
1,087
2022 count
Owner
State
State Highway Agency

About this bridge

CR 36 a over I-69 Nb/Sb is a concrete continuous stringer/multi-beam or girder carrying CR 36 a over I-69 Nb/Sb in DeKalb County, Indiana. It was built in 1963 and reconstructed in 2019, so it is 62 years old, older 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 1,087 vehicles a day, roughly 2% of them trucks, projected to reach 1,210 by 2038. The structure is 216 ft (65.8 m) long and 29 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesCR 36 a
CrossesI-69 Nb/Sb
Location00.84 N SR 8
RouteCounty Highway 0
StateIndiana
Coordinates41.38028, -85.0746
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length216 ft (65.8 m)
Longest span66 ft (20.2 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,087 (2022)
Projected traffic1,210 by 2038
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed7.5 mi (12 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 CR 36 a over I-69 Nb/Sb built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2019.

What condition is CR 36 a over I-69 Nb/Sb 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 CR 36 a over I-69 Nb/Sb carry?

About 1,087 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is CR 36 a over I-69 Nb/Sb?

The structure is 216 ft (65.8 m) long with a longest span of 66 ft (20.2 m) and a deck 29 ft wide.

Who owns CR 36 a over I-69 Nb/Sb?

It is owned by the State Highway Agency.