US Bridges

Carson Rd. (CR-3) over Ir 71

Fair

Pickaway County, Ohio · 2.78 MI N of Madison Co. · Structure no. 6501893

Built
1964
61 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
326 ft
4 main spans
Daily traffic
494
2015 count
Owner
State
State Highway Agency

About this bridge

Carson Rd. (CR-3) over Ir 71 is a steel continuous stringer/multi-beam or girder carrying Carson Rd. (CR-3) over Ir 71 in Pickaway County, Ohio. It was built in 1964, so it is 61 years old, older than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 494 vehicles a day, roughly 7% of them trucks, projected to reach 55,852 by 2035. The structure is 326 ft (99.4 m) long and 31 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesCarson Rd. (CR-3)
CrossesIr 71
Location2.78 MI N of Madison Co.
RouteCounty Highway T0160
CountyPickaway County
StateOhio
Coordinates39.80701, -83.20136
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating36.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length326 ft (99.4 m)
Longest span94 ft (28.7 m)
Deck width31 ft (9.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic494 (2015)
Projected traffic55,852 by 2035
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

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 Carson Rd. (CR-3) over Ir 71 built?

It was built in 1964, making it 61 years old in 2025.

What condition is Carson Rd. (CR-3) over Ir 71 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does Carson Rd. (CR-3) over Ir 71 carry?

About 494 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Carson Rd. (CR-3) over Ir 71?

The structure is 326 ft (99.4 m) long with a longest span of 94 ft (28.7 m) and a deck 31 ft wide.

Who owns Carson Rd. (CR-3) over Ir 71?

It is owned by the State Highway Agency.