US Bridges

Blain Highway over Crooked Creek

Poor

Ross County, Ohio · .10 Mi. W of Mt. Tabor RD · Structure no. 7141270

Built
1939
86 years old, rebuilt 1981
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
54 ft
2 main spans
Daily traffic
397
2015 count
Owner
County
County Highway Agency

About this bridge

Blain Highway over Crooked Creek is a steel continuous stringer/multi-beam or girder carrying Blain Highway over Crooked Creek in Ross County, Ohio. It was built in 1939 and reconstructed in 1981, so it is 86 years old, older than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 397 vehicles a day, roughly 7% of them trucks, projected to reach 551 by 2035. The structure is 54 ft (16.5 m) long and 25 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesBlain Highway
CrossesCrooked Creek
Location.10 Mi. W of Mt. Tabor RD
RouteCounty Highway C0167
StateOhio
Coordinates39.21406, -83.03114
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating56.8 US tons
Inventory rating34 US tons

Structure

MaterialSteel Continuous
DeckCorrugated steel
Main spans2
Design loadHS 20
Structure length54 ft (16.5 m)
Longest span26 ft (7.9 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic397 (2015)
Projected traffic551 by 2035
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 Blain Highway over Crooked Creek built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1981.

What condition is Blain Highway over Crooked Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Blain Highway over Crooked Creek carry?

About 397 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Blain Highway over Crooked Creek?

The structure is 54 ft (16.5 m) long with a longest span of 26 ft (7.9 m) and a deck 25 ft wide.

Who owns Blain Highway over Crooked Creek?

It is owned by the County Highway Agency.