US Bridges

I70 over Tributary Twin Creek

Fair

Preble County, Ohio · 1.5 MI E of SR503 · Structure no. 6801560

Built
1964
61 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
39,313
2015 count
Owner
State
State Highway Agency

About this bridge

I70 over Tributary Twin Creek is a concrete culvert carrying I70 over Tributary Twin Creek in Preble County, Ohio. It was built in 1964, so it is 61 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 39,313 vehicles a day, roughly 42% of them trucks, projected to reach 54,566 by 2035. The structure is 24 ft (7.3 m) long.

CarriesI70
CrossesTributary Twin Creek
Location1.5 MI E of SR503
RouteInterstate 70
StateOhio
Coordinates39.83759, -84.5118
Functional classRural Principal Arterial - Interstate

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 inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length24 ft (7.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39,313 (2015)
Projected traffic54,566 by 2035
Trucks42%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I70 over Tributary Twin Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is I70 over Tributary 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 August 2024.

How much traffic does I70 over Tributary Twin Creek carry?

About 39,313 vehicles per day (2015 count), of which roughly 42% are trucks.

How long is I70 over Tributary Twin Creek?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m).

Who owns I70 over Tributary Twin Creek?

It is owned by the State Highway Agency.