US Bridges

Usr 33 over Dennison Run

Fair

Mercer County, Ohio · Jct. SR-707 · Structure no. 5400457

Built
1952
73 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
3,599
2015 count
Owner
State
State Highway Agency

About this bridge

Usr 33 over Dennison Run is a concrete culvert carrying Usr 33 over Dennison Run in Mercer County, Ohio. It was built in 1952, so it is 73 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 3,599 vehicles a day, roughly 29% of them trucks, projected to reach 4,995 by 2035. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesUsr 33
CrossesDennison Run
LocationJct. SR-707
RouteU.S. Route 33
CountyMercer County
StateOhio
Coordinates40.65479, -84.58854
Functional classRural Principal Arterial - Other

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 inspectionSeptember 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 alignment8: Equal to present desirable criteria
Operating rating66.8 US tons
Inventory rating40 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length28 ft (8.5 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,599 (2015)
Projected traffic4,995 by 2035
Trucks29%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Usr 33 over Dennison Run built?

It was built in 1952, making it 73 years old in 2025.

What condition is Usr 33 over Dennison Run 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 September 2024.

How much traffic does Usr 33 over Dennison Run carry?

About 3,599 vehicles per day (2015 count), of which roughly 29% are trucks.

How long is Usr 33 over Dennison Run?

The structure is 28 ft (8.5 m) long with a longest span of 14 ft (4.3 m).

Who owns Usr 33 over Dennison Run?

It is owned by the State Highway Agency.