US Bridges

SR-66 over Branch of St. Marys Rive

Good

Auglaize County, Ohio · 1.84 Mi.S. of JCT SR-219 · Structure no. 0600857

Built
2011
14 years old
Condition
Good
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
66 ft
1 main span
Daily traffic
6,435
2015 count
Owner
State
State Highway Agency

About this bridge

SR-66 over Branch of St. Marys Rive is a prestressed concrete box beam or girders - multiple carrying SR-66 over Branch of St. Marys Rive in Auglaize County, Ohio. It was built in 2011, so it is 14 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,435 vehicles a day, roughly 10% of them trucks, projected to reach 8,932 by 2035. The structure is 66 ft (20.2 m) long and 44 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesSR-66
CrossesBranch of St. Marys Rive
Location1.84 Mi.S. of JCT SR-219
RouteState Highway 66
CountyAuglaize County
StateOhio
Coordinates40.46867, -84.37708
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating78.6 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length66 ft (20.2 m)
Longest span66 ft (20.1 m)
Deck width44 ft (13.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,435 (2015)
Projected traffic8,932 by 2035
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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-66 over Branch of St. Marys Rive built?

It was built in 2011, making it 14 years old in 2025.

What condition is SR-66 over Branch of St. Marys Rive 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 April 2024.

How much traffic does SR-66 over Branch of St. Marys Rive carry?

About 6,435 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is SR-66 over Branch of St. Marys Rive?

The structure is 66 ft (20.2 m) long with a longest span of 66 ft (20.1 m) and a deck 44 ft wide.

Who owns SR-66 over Branch of St. Marys Rive?

It is owned by the State Highway Agency.