US Bridges

Infirmary Rd. over Opossum Creek

Good

Montgomery County, Ohio · .2 Mile N of SR4 · Structure no. 5740533

Built
1970
55 years old, rebuilt 2012
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
49 ft
1 main span
Daily traffic
3,367
2017 count
Owner
County
County Highway Agency

About this bridge

Infirmary Rd. over Opossum Creek is a prestressed concrete box beam or girders - multiple carrying Infirmary Rd. over Opossum Creek in Montgomery County, Ohio. It was built in 1970 and reconstructed in 2012, so it is 55 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 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 3,367 vehicles a day, roughly 5% of them trucks, projected to reach 4,673 by 2037. The structure is 49 ft (14.9 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInfirmary Rd.
CrossesOpossum Creek
Location.2 Mile N of SR4
RouteCounty Highway C0149
StateOhio
Coordinates39.71525, -84.28104
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating51.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length49 ft (14.9 m)
Longest span48 ft (14.6 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,367 (2017)
Projected traffic4,673 by 2037
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Infirmary Rd. over Opossum Creek built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2012.

What condition is Infirmary Rd. over Opossum Creek 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 August 2023.

How much traffic does Infirmary Rd. over Opossum Creek carry?

About 3,367 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Infirmary Rd. over Opossum Creek?

The structure is 49 ft (14.9 m) long with a longest span of 48 ft (14.6 m) and a deck 28 ft wide.

Who owns Infirmary Rd. over Opossum Creek?

It is owned by the County Highway Agency.