US Bridges

Colonel Glenn HWY over IR675 Ramps

Good

Greene County, Ohio · 675 Ramps to A.F.B. · Structure no. 2903741

Built
1973
52 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
256 ft
4 main spans
Daily traffic
26,542
2015 count
Owner
State
State Highway Agency

About this bridge

Colonel Glenn HWY over IR675 Ramps is a steel continuous stringer/multi-beam or girder carrying Colonel Glenn HWY over IR675 Ramps in Greene County, Ohio. It was built in 1973, so it is 52 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 26,542 vehicles a day, roughly 4% of them trucks, projected to reach 15,823 by 2035. The structure is 256 ft (78.1 m) long and 84 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesColonel Glenn HWY
CrossesIR675 Ramps
Location675 Ramps to A.F.B.
RouteCounty Highway C0001
StateOhio
Coordinates39.77262, -84.09123
Functional classUrban Other Principal Arterial

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.
Substructure8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.4 US tons
Inventory rating27.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length256 ft (78.1 m)
Longest span76 ft (23.2 m)
Deck width84 ft (25.7 m)
Roadway width80 ft (24.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,542 (2015)
Projected traffic15,823 by 2035
Trucks4%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Colonel Glenn HWY over IR675 Ramps built?

It was built in 1973, making it 52 years old in 2025.

What condition is Colonel Glenn HWY over IR675 Ramps 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 December 2024.

How much traffic does Colonel Glenn HWY over IR675 Ramps carry?

About 26,542 vehicles per day (2015 count), of which roughly 4% are trucks.

How long is Colonel Glenn HWY over IR675 Ramps?

The structure is 256 ft (78.1 m) long with a longest span of 76 ft (23.2 m) and a deck 84 ft wide.

Who owns Colonel Glenn HWY over IR675 Ramps?

It is owned by the State Highway Agency.