US Bridges

Northwoods Blvd over I75

Good

Montgomery County, Ohio · .66MI N of JCT USR40 · Structure no. 5709156

Built
1956
69 years old, rebuilt 1985
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
201 ft
4 main spans
Daily traffic
983
2015 count
Owner
State
State Highway Agency

About this bridge

Northwoods Blvd over I75 is a steel continuous stringer/multi-beam or girder carrying Northwoods Blvd over I75 in Montgomery County, Ohio. It was built in 1956 and reconstructed in 1985, so it is 69 years old, older than the Ohio average of 47.3 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 983 vehicles a day, roughly 5% of them trucks, projected to reach 98,914 by 2035. The structure is 201 ft (61.3 m) long and 82 ft wide.

CarriesNorthwoods Blvd
CrossesI75
Location.66MI N of JCT USR40
RouteCity Street 5011
StateOhio
Coordinates39.90114, -84.18844
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating39.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length201 ft (61.3 m)
Longest span53 ft (16.2 m)
Deck width82 ft (25 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic983 (2015)
Projected traffic98,914 by 2035
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 Northwoods Blvd over I75 built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1985.

What condition is Northwoods Blvd over I75 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 September 2023.

How much traffic does Northwoods Blvd over I75 carry?

About 983 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Northwoods Blvd over I75?

The structure is 201 ft (61.3 m) long with a longest span of 53 ft (16.2 m) and a deck 82 ft wide.

Who owns Northwoods Blvd over I75?

It is owned by the State Highway Agency.