US Bridges

Diamond Mill C217 over Trib. to Bear Creek

Good

Montgomery County, Ohio · 1.2 Miles South of SR35 · Structure no. 5740649

Built
1991
34 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
25 ft
1 main span
Daily traffic
2,651
2017 count
Owner
County
County Highway Agency

About this bridge

Diamond Mill C217 over Trib. to Bear Creek is a concrete culvert carrying Diamond Mill C217 over Trib. to Bear Creek in Montgomery County, Ohio. It was built in 1991, so it is 34 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 2,651 vehicles a day, roughly 8% of them trucks, projected to reach 3,680 by 2037. The structure is 25 ft (7.6 m) long.

CarriesDiamond Mill C217
CrossesTrib. to Bear Creek
Location1.2 Miles South of SR35
RouteCounty Highway C0217
StateOhio
Coordinates39.72865, -84.36645
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
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating82.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,651 (2017)
Projected traffic3,680 by 2037
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Diamond Mill C217 over Trib. to Bear Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is Diamond Mill C217 over Trib. to Bear Creek 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 September 2023.

How much traffic does Diamond Mill C217 over Trib. to Bear Creek carry?

About 2,651 vehicles per day (2017 count), of which roughly 8% are trucks.

How long is Diamond Mill C217 over Trib. to Bear Creek?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m).

Who owns Diamond Mill C217 over Trib. to Bear Creek?

It is owned by the County Highway Agency.