US Bridges

County Road 26 over Roberts-Hill Monnett Dt.

Good

Marion County, Ohio · E of JCT CR 174 · Structure no. 5130441

Built
1973
52 years old, rebuilt 2024
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
170
2015 count
Owner
County
County Highway Agency

About this bridge

County Road 26 over Roberts-Hill Monnett Dt. is a prestressed concrete box beam or girders - multiple carrying County Road 26 over Roberts-Hill Monnett Dt. in Marion County, Ohio. It was built in 1973 and reconstructed in 2024, so it is 52 years old, older 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 170 vehicles a day, roughly 7% of them trucks, projected to reach 236 by 2035. The structure is 55 ft (16.8 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road 26
CrossesRoberts-Hill Monnett Dt.
LocationE of JCT CR 174
RouteCounty Highway 26
StateOhio
Coordinates40.67333, -83.07333
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating49.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length55 ft (16.8 m)
Longest span52 ft (15.9 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170 (2015)
Projected traffic236 by 2035
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 County Road 26 over Roberts-Hill Monnett Dt. built?

It was built in 1973, making it 52 years old in 2025. It was reconstructed in 2024.

What condition is County Road 26 over Roberts-Hill Monnett Dt. 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 November 2024.

How much traffic does County Road 26 over Roberts-Hill Monnett Dt. carry?

About 170 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is County Road 26 over Roberts-Hill Monnett Dt.?

The structure is 55 ft (16.8 m) long with a longest span of 52 ft (15.9 m) and a deck 29 ft wide.

Who owns County Road 26 over Roberts-Hill Monnett Dt.?

It is owned by the County Highway Agency.