US Bridges

I-69 NB over SR 8

Good

DeKalb County, Indiana · 05.19 S US 6 · Structure no. 040650

Built
1963
62 years old, rebuilt 2001
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
183 ft
4 main spans
Daily traffic
16,361
2022 count
Owner
State
State Highway Agency

About this bridge

I-69 NB over SR 8 is a prestressed concrete continuous stringer/multi-beam or girder carrying I-69 NB over SR 8 in DeKalb County, Indiana. It was built in 1963 and reconstructed in 2001, 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 16,361 vehicles a day, roughly 22% of them trucks, projected to reach 25,747 by 2031. The structure is 183 ft (55.7 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI-69 NB
CrossesSR 8
Location05.19 S US 6
RouteInterstate 69
StateIndiana
Coordinates41.36665, -85.08149
Functional classRural 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
Deck8 Very GoodNo problems noted.
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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.3 US tons
Inventory rating38.3 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length183 ft (55.7 m)
Longest span47 ft (14.2 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,361 (2022)
Projected traffic25,747 by 2031
Trucks22%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-69 NB over SR 8 built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2001.

What condition is I-69 NB over SR 8 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 I-69 NB over SR 8 carry?

About 16,361 vehicles per day (2022 count), of which roughly 22% are trucks.

How long is I-69 NB over SR 8?

The structure is 183 ft (55.7 m) long with a longest span of 47 ft (14.2 m) and a deck 42 ft wide.

Who owns I-69 NB over SR 8?

It is owned by the State Highway Agency.