US Bridges

Austin Blvd. over I-75

Good

Montgomery County, Ohio · .75 M N of Warren Co. · Structure no. 5706416

Built
2010
15 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
335 ft
4 main spans
Daily traffic
6,900
2015 count
Owner
State
State Highway Agency

About this bridge

Austin Blvd. over I-75 is a prestressed concrete continuous stringer/multi-beam or girder carrying Austin Blvd. over I-75 in Montgomery County, Ohio. It was built in 2010, so it is 15 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,900 vehicles a day, roughly 5% of them trucks, projected to reach 138,731 by 2035. The structure is 335 ft (102.2 m) long and 114 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesAustin Blvd.
CrossesI-75
Location.75 M N of Warren Co.
RouteCounty Highway C0166
CountyMontgomery County
StateOhio
Coordinates39.59684, -84.23855
Functional classUrban Minor Arterial

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.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating68.9 US tons
Inventory rating39.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length335 ft (102.2 m)
Longest span117 ft (35.6 m)
Deck width114 ft (34.6 m)
Roadway width90 ft (27.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,900 (2015)
Projected traffic138,731 by 2035
Trucks5%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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 Austin Blvd. over I-75 built?

It was built in 2010, making it 15 years old in 2025.

What condition is Austin Blvd. over I-75 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 Austin Blvd. over I-75 carry?

About 6,900 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Austin Blvd. over I-75?

The structure is 335 ft (102.2 m) long with a longest span of 117 ft (35.6 m) and a deck 114 ft wide.

Who owns Austin Blvd. over I-75?

It is owned by the State Highway Agency.