US Bridges

Zimmerman RD-CR170 over Rattlesnake Ck-Zimmerman

Good

Fayette County, Ohio · 0.6 MI E STAFFORD-CR3 · Structure no. 2432552

Built
1977
48 years old
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
138 ft
3 main spans
Daily traffic
351
2015 count
Owner
County
County Highway Agency

About this bridge

Zimmerman RD-CR170 over Rattlesnake Ck-Zimmerman is a prestressed concrete box beam or girders - multiple carrying Zimmerman RD-CR170 over Rattlesnake Ck-Zimmerman in Fayette County, Ohio. It was built in 1977, so it is 48 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 138 ft (42.1 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesZimmerman RD-CR170
CrossesRattlesnake Ck-Zimmerman
Location0.6 MI E STAFFORD-CR3
RouteCounty Highway 170
StateOhio
Coordinates39.39934, -83.48893
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.5 US tons
Inventory rating32.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length138 ft (42.1 m)
Longest span54 ft (16.5 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 closed3.1 mi (5 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$262.4 million (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Zimmerman RD-CR170 over Rattlesnake Ck-Zimmerman built?

It was built in 1977, making it 48 years old in 2025.

What condition is Zimmerman RD-CR170 over Rattlesnake Ck-Zimmerman 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 July 2024.

How much traffic does Zimmerman RD-CR170 over Rattlesnake Ck-Zimmerman carry?

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

How long is Zimmerman RD-CR170 over Rattlesnake Ck-Zimmerman?

The structure is 138 ft (42.1 m) long with a longest span of 54 ft (16.5 m) and a deck 24 ft wide.

Who owns Zimmerman RD-CR170 over Rattlesnake Ck-Zimmerman?

It is owned by the County Highway Agency.