US Bridges

I-69 NB over CR 48

Good

DeKalb County, Indiana · 01.12 S SR 8 · Structure no. 040590

Built
1963
62 years old, rebuilt 2017
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
140 ft
3 main spans
Daily traffic
15,519
2020 count
Owner
State
State Highway Agency

About this bridge

I-69 NB over CR 48 is a steel continuous stringer/multi-beam or girder carrying I-69 NB over CR 48 in DeKalb County, Indiana. It was built in 1963 and reconstructed in 2017, 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 15,519 vehicles a day, roughly 23% of them trucks, projected to reach 19,090 by 2037. The structure is 140 ft (42.6 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI-69 NB
CrossesCR 48
Location01.12 S SR 8
RouteInterstate 69
CountyDeKalb County
StateIndiana
Coordinates41.35159, -85.08766
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
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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating51 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length140 ft (42.6 m)
Longest span60 ft (18.4 m)
Deck width44 ft (13.3 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,519 (2020)
Projected traffic19,090 by 2037
Trucks23%
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 CR 48 built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2017.

What condition is I-69 NB over CR 48 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 CR 48 carry?

About 15,519 vehicles per day (2020 count), of which roughly 23% are trucks.

How long is I-69 NB over CR 48?

The structure is 140 ft (42.6 m) long with a longest span of 60 ft (18.4 m) and a deck 44 ft wide.

Who owns I-69 NB over CR 48?

It is owned by the State Highway Agency.