US Bridges

NB I75 over Central Ave*w

Good

Montgomery County, Ohio · 2.9MI. S. of JCT SR-741 · Structure no. 5706742

Built
2011
14 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
345 ft
4 main spans
Daily traffic
45,579
2015 count
Owner
State
State Highway Agency

About this bridge

NB I75 over Central Ave*w is a steel continuous stringer/multi-beam or girder carrying NB I75 over Central Ave*w in Montgomery County, Ohio. It was built in 2011, so it is 14 years old, younger 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 45,579 vehicles a day, roughly 14% of them trucks, projected to reach 63,264 by 2035. The structure is 345 ft (105.2 m) long and 67 ft wide.

Location

Open in Google Maps
CarriesNB I75
CrossesCentral Ave*w
Location2.9MI. S. of JCT SR-741
RouteInterstate 75
CountyMontgomery County
StateOhio
Coordinates39.68078, -84.23005
Functional classUrban 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.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionNovember 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 rating47.2 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length345 ft (105.2 m)
Longest span111 ft (33.8 m)
Deck width67 ft (20.4 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45,579 (2015)
Projected traffic63,264 by 2035
Trucks14%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 NB I75 over Central Ave*w built?

It was built in 2011, making it 14 years old in 2025.

What condition is NB I75 over Central Ave*w 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 November 2023.

How much traffic does NB I75 over Central Ave*w carry?

About 45,579 vehicles per day (2015 count), of which roughly 14% are trucks.

How long is NB I75 over Central Ave*w?

The structure is 345 ft (105.2 m) long with a longest span of 111 ft (33.8 m) and a deck 67 ft wide.

Who owns NB I75 over Central Ave*w?

It is owned by the State Highway Agency.