US Bridges

SR 61 over Olentangy River

Fair

Crawford County, Ohio · 3.61 MI N of County Line · Structure no. 1701924

Built
1931
94 years old, rebuilt 1968
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
73 ft
1 main span
Daily traffic
3,785
2015 count
Owner
State
State Highway Agency

About this bridge

SR 61 over Olentangy River is a steel stringer/multi-beam or girder carrying SR 61 over Olentangy River in Crawford County, Ohio. It was built in 1931 and reconstructed in 1968, so it is 94 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 3,785 vehicles a day, roughly 6% of them trucks, projected to reach 5,254 by 2035. The structure is 73 ft (22.3 m) long and 43 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSR 61
CrossesOlentangy River
Location3.61 MI N of County Line
RouteState Highway 61
StateOhio
Coordinates40.73751, -82.76934
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating36 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length73 ft (22.3 m)
Longest span67 ft (20.4 m)
Deck width43 ft (13 m)
Roadway width42 ft (12.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,785 (2015)
Projected traffic5,254 by 2035
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 61 over Olentangy River built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1968.

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 3,785 vehicles per day (2015 count), of which roughly 6% are trucks.

How long is SR 61 over Olentangy River?

The structure is 73 ft (22.3 m) long with a longest span of 67 ft (20.4 m) and a deck 43 ft wide.

Who owns SR 61 over Olentangy River?

It is owned by the State Highway Agency.