US Bridges

SR 66 over Mill Creek

Fair

Fulton County, Ohio · 0.17 MI N. of CR L · Structure no. 2601087

Built
1947
78 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete Continuous
Length
101 ft
3 main spans
Daily traffic
2,494
2015 count
Owner
State
State Highway Agency

About this bridge

SR 66 over Mill Creek is a concrete continuous slab carrying SR 66 over Mill Creek in Fulton County, Ohio. It was built in 1947, so it is 78 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 2,494 vehicles a day, roughly 14% of them trucks, projected to reach 3,462 by 2035. The structure is 101 ft (30.8 m) long and 36 ft wide. If it were closed, the detour would be 23 mi (37 km).

CarriesSR 66
CrossesMill Creek
Location0.17 MI N. of CR L
RouteState Highway 66
StateOhio
Coordinates41.6255, -84.32602
Functional classRural Major Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating50 US tons
Inventory rating28.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length101 ft (30.8 m)
Longest span36 ft (11 m)
Deck width36 ft (11.1 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,494 (2015)
Projected traffic3,462 by 2035
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 km)
TollOn a free road
National Highway SystemNo

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 SR 66 over Mill Creek built?

It was built in 1947, making it 78 years old in 2025.

What condition is SR 66 over Mill 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 July 2024.

How much traffic does SR 66 over Mill Creek carry?

About 2,494 vehicles per day (2015 count), of which roughly 14% are trucks.

How long is SR 66 over Mill Creek?

The structure is 101 ft (30.8 m) long with a longest span of 36 ft (11 m) and a deck 36 ft wide.

Who owns SR 66 over Mill Creek?

It is owned by the State Highway Agency.