US Bridges

CR166 over West Branch Alum Creek

Poor

Morrow County, Ohio · .6 Mi.N.Int. CR155 · Structure no. 5931460

Built
1963
62 years old, rebuilt 1999
Condition
Poor
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
26 ft
1 main span
Daily traffic
217
2015 count
Owner
County
County Highway Agency

About this bridge

CR166 over West Branch Alum Creek is a steel stringer/multi-beam or girder carrying CR166 over West Branch Alum Creek in Morrow County, Ohio. It was built in 1963 and reconstructed in 1999, so it is 62 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 217 vehicles a day, roughly 8% of them trucks, projected to reach 301 by 2035. The structure is 26 ft (7.9 m) long and 16 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCR166
CrossesWest Branch Alum Creek
Location.6 Mi.N.Int. CR155
RouteCounty Highway C0166
StateOhio
Coordinates40.46015, -82.89547
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating58.2 US tons
Inventory rating37.8 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width16 ft (5 m)
Roadway width16 ft (5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic217 (2015)
Projected traffic301 by 2035
Trucks8%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 CR166 over West Branch Alum Creek built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1999.

What condition is CR166 over West Branch Alum 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 November 2024.

How much traffic does CR166 over West Branch Alum Creek carry?

About 217 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is CR166 over West Branch Alum Creek?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 16 ft wide.

Who owns CR166 over West Branch Alum Creek?

It is owned by the County Highway Agency.