US Bridges

Infirmary Lane over Tributary of Dry Run

Good

Ross County, Ohio · .30 Mi. W of SR-104 · Structure no. 7138407

Built
1928
97 years old, rebuilt 2009
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
27 ft
1 main span
Daily traffic
351
2015 count
Owner
County
County Highway Agency

About this bridge

Infirmary Lane over Tributary of Dry Run is a concrete box beam or girders - multiple carrying Infirmary Lane over Tributary of Dry Run in Ross County, Ohio. It was built in 1928 and reconstructed in 2009, so it is 97 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 351 vehicles a day, roughly 7% of them trucks, projected to reach 487 by 2035. The structure is 27 ft (8.2 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInfirmary Lane
CrossesTributary of Dry Run
Location.30 Mi. W of SR-104
RouteCounty Highway T0124
StateOhio
Coordinates39.40688, -83.01801
Functional classRural Local

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating85.8 US tons
Inventory rating64.3 US tons

Structure

MaterialConcrete
DeckOther
Main spans1
Design loadHS 20 + Mod
Structure length27 ft (8.2 m)
Longest span24 ft (7.3 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic351 (2015)
Projected traffic487 by 2035
Trucks7%
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 Lane over Tributary of Dry Run built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 2009.

What condition is Infirmary Lane over Tributary of Dry Run 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 May 2024.

How much traffic does Infirmary Lane over Tributary of Dry Run carry?

About 351 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Infirmary Lane over Tributary of Dry Run?

The structure is 27 ft (8.2 m) long with a longest span of 24 ft (7.3 m) and a deck 24 ft wide.

Who owns Infirmary Lane over Tributary of Dry Run?

It is owned by the County Highway Agency.