US Bridges

SR 266 over Muskingum River

Good

Morgan County, Ohio · 0.3M W JCT SR376 · Structure no. 5801133

Built
1989
36 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
695 ft
7 main spans
Daily traffic
1,374
2015 count
Owner
State
State Highway Agency

About this bridge

SR 266 over Muskingum River is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 266 over Muskingum River in Morgan County, Ohio. It was built in 1989, so it is 36 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 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 1,374 vehicles a day, roughly 6% of them trucks, projected to reach 1,907 by 2035. The structure is 695 ft (211.7 m) long and 33 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

CarriesSR 266
CrossesMuskingum River
Location0.3M W JCT SR376
RouteState Highway 266
StateOhio
Coordinates39.54831, -81.78961
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20 + Mod
Structure length695 ft (211.7 m)
Longest span97 ft (29.6 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,374 (2015)
Projected traffic1,907 by 2035
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was SR 266 over Muskingum River built?

It was built in 1989, making it 36 years old in 2025.

What condition is SR 266 over Muskingum River 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 October 2024.

How much traffic does SR 266 over Muskingum River carry?

About 1,374 vehicles per day (2015 count), of which roughly 6% are trucks.

How long is SR 266 over Muskingum River?

The structure is 695 ft (211.7 m) long with a longest span of 97 ft (29.6 m) and a deck 33 ft wide.

Who owns SR 266 over Muskingum River?

It is owned by the State Highway Agency.