US Bridges

Usr 33 over Twelve Mile Creek

Fair

Mercer County, Ohio · 2.11MI.E.OF USR-127 · Structure no. 5400481

Built
1962
63 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
120 ft
3 main spans
Daily traffic
6,433
2015 count
Owner
State
State Highway Agency

About this bridge

Usr 33 over Twelve Mile Creek is a concrete continuous slab carrying Usr 33 over Twelve Mile Creek in Mercer County, Ohio. It was built in 1962, so it is 63 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 6,433 vehicles a day, roughly 33% of them trucks, projected to reach 8,929 by 2035. The structure is 120 ft (36.6 m) long and 44 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesUsr 33
CrossesTwelve Mile Creek
Location2.11MI.E.OF USR-127
RouteU.S. Route 33
StateOhio
Coordinates40.63543, -84.54641
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
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
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length120 ft (36.6 m)
Longest span45 ft (13.7 m)
Deck width44 ft (13.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,433 (2015)
Projected traffic8,929 by 2035
Trucks33%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 Twelve Mile Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is Usr 33 over Twelve Mile 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 September 2024.

How much traffic does Usr 33 over Twelve Mile Creek carry?

About 6,433 vehicles per day (2015 count), of which roughly 33% are trucks.

How long is Usr 33 over Twelve Mile Creek?

The structure is 120 ft (36.6 m) long with a longest span of 45 ft (13.7 m) and a deck 44 ft wide.

Who owns Usr 33 over Twelve Mile Creek?

It is owned by the State Highway Agency.