US Bridges

Conservancy C0045 over Twin Creek

Fair

Montgomery County, Ohio · 1.3 Miles North of SR725 · Structure no. 5734444

Built
1917
108 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
497
2017 count
Owner
County
County Highway Agency

About this bridge

Conservancy C0045 over Twin Creek is a concrete culvert carrying Conservancy C0045 over Twin Creek in Montgomery County, Ohio. It was built in 1917, so it is 108 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 6 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 497 vehicles a day, roughly 4% of them trucks, projected to reach 690 by 2037. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesConservancy C0045
CrossesTwin Creek
Location1.3 Miles North of SR725
RouteCounty Highway C0045
StateOhio
Coordinates39.63766, -84.40285
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic497 (2017)
Projected traffic690 by 2037
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Conservancy C0045 over Twin Creek built?

It was built in 1917, making it 108 years old in 2025.

What condition is Conservancy C0045 over Twin Creek 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 July 2024.

How much traffic does Conservancy C0045 over Twin Creek carry?

About 497 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Conservancy C0045 over Twin Creek?

The structure is 29 ft (8.8 m) long with a longest span of 15 ft (4.6 m).

Who owns Conservancy C0045 over Twin Creek?

It is owned by the County Highway Agency.