US Bridges

Old 3C Highway over Simpson Creek

Fair

Warren County, Ohio · 0.07 MI N of US Rt 22 · Structure no. 8334358

Built
1980
45 years old
Condition
Fair
inspected December 2024
Type
Culvert
Steel
Length
32 ft
1 main span
Daily traffic
2,776
2015 count
Owner
County
County Highway Agency

About this bridge

Old 3C Highway over Simpson Creek is a steel culvert carrying Old 3C Highway over Simpson Creek in Warren County, Ohio. It was built in 1980, so it is 45 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 5 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 2,776 vehicles a day, roughly 5% of them trucks, projected to reach 3,853 by 2035. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesOld 3C Highway
CrossesSimpson Creek
Location0.07 MI N of US Rt 22
RouteCounty Highway C0010
StateOhio
Coordinates39.32051, -84.25342
Functional classUrban 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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating42.9 US tons
Inventory rating32.2 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length32 ft (9.8 m)
Longest span31 ft (9.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,776 (2015)
Projected traffic3,853 by 2035
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Old 3C Highway over Simpson Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Old 3C Highway over Simpson 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 December 2024.

How much traffic does Old 3C Highway over Simpson Creek carry?

About 2,776 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Old 3C Highway over Simpson Creek?

The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.4 m).

Who owns Old 3C Highway over Simpson Creek?

It is owned by the County Highway Agency.