US Bridges

SR 61 over Olentangy River

Fair

Crawford County, Ohio · 4.98 MI N of County Line · Structure no. 1701959

Built
1933
92 years old, rebuilt 1988
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
49 ft
1 main span
Daily traffic
7,119
2015 count
Owner
State
State Highway Agency

About this bridge

SR 61 over Olentangy River is a prestressed concrete box beam or girders - multiple carrying SR 61 over Olentangy River in Crawford County, Ohio. It was built in 1933 and reconstructed in 1988, so it is 92 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 7,119 vehicles a day, roughly 6% of them trucks, projected to reach 9,881 by 2035. The structure is 49 ft (14.9 m) long and 40 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSR 61
CrossesOlentangy River
Location4.98 MI N of County Line
RouteState Highway 61
CountyCrawford County
StateOhio
Coordinates40.74279, -82.75254
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.8 US tons
Inventory rating33.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length49 ft (14.9 m)
Longest span45 ft (13.7 m)
Deck width40 ft (12.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,119 (2015)
Projected traffic9,881 by 2035
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$407,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 61 over Olentangy River built?

It was built in 1933, making it 92 years old in 2025. It was reconstructed in 1988.

What condition is SR 61 over Olentangy River 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 June 2024.

How much traffic does SR 61 over Olentangy River carry?

About 7,119 vehicles per day (2015 count), of which roughly 6% are trucks.

How long is SR 61 over Olentangy River?

The structure is 49 ft (14.9 m) long with a longest span of 45 ft (13.7 m) and a deck 40 ft wide.

Who owns SR 61 over Olentangy River?

It is owned by the State Highway Agency.