US Bridges

SR-48 over Great Miami River

Good

Montgomery County, Ohio · .42MI.S. of Jct. IR-75 · Structure no. 5703697

Built
1956
69 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
593 ft
5 main spans
Daily traffic
19,860
2015 count
Owner
State
State Highway Agency

About this bridge

SR-48 over Great Miami River is a steel continuous stringer/multi-beam or girder carrying SR-48 over Great Miami River in Montgomery County, Ohio. It was built in 1956, 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 19,860 vehicles a day, roughly 3% of them trucks, projected to reach 22,665 by 2035. The structure is 593 ft (180.8 m) long and 83 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR-48
CrossesGreat Miami River
Location.42MI.S. of Jct. IR-75
RouteState Highway 48
CountyMontgomery County
StateOhio
Coordinates39.76407, -84.19311
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating42.9 US tons
Inventory rating32.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadOther
Structure length593 ft (180.8 m)
Longest span138 ft (42.1 m)
Deck width83 ft (25.3 m)
Roadway width65 ft (19.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,860 (2015)
Projected traffic22,665 by 2035
Trucks3%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR-48 over Great Miami River built?

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

What condition is SR-48 over Great Miami River 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 October 2023.

How much traffic does SR-48 over Great Miami River carry?

About 19,860 vehicles per day (2015 count), of which roughly 3% are trucks.

How long is SR-48 over Great Miami River?

The structure is 593 ft (180.8 m) long with a longest span of 138 ft (42.1 m) and a deck 83 ft wide.

Who owns SR-48 over Great Miami River?

It is owned by the State Highway Agency.