US Bridges

Conservancy C0045 over Spillway

Fair

Montgomery County, Ohio · 1.4 Miles North of SR725 · Structure no. 5734606

Built
1983
42 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
153 ft
3 main spans
Daily traffic
497
2017 count
Owner
County
County Highway Agency

About this bridge

Conservancy C0045 over Spillway is a steel continuous stringer/multi-beam or girder carrying Conservancy C0045 over Spillway in Montgomery County, Ohio. It was built in 1983, so it is 42 years old, younger 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 153 ft (46.6 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesConservancy C0045
CrossesSpillway
Location1.4 Miles North of SR725
RouteCounty Highway C0045
StateOhio
Coordinates39.64033, -84.4026
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 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
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.5 US tons
Inventory rating46.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length153 ft (46.6 m)
Longest span58 ft (17.7 m)
Deck width31 ft (9.4 m)
Roadway width30 ft (9.1 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 closed5 mi (8 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 Conservancy C0045 over Spillway built?

It was built in 1983, making it 42 years old in 2025.

What condition is Conservancy C0045 over Spillway 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 Spillway carry?

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

How long is Conservancy C0045 over Spillway?

The structure is 153 ft (46.6 m) long with a longest span of 58 ft (17.7 m) and a deck 31 ft wide.

Who owns Conservancy C0045 over Spillway?

It is owned by the County Highway Agency.