US Bridges

SR 638 over Slough Ditch

Good

Logan County, Ohio · 250 S of SR 273 · Structure no. 4604067

Built
2001
24 years old
Condition
Good
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
56 ft
1 main span
Daily traffic
1,544
2015 count
Owner
State
State Highway Agency

About this bridge

SR 638 over Slough Ditch is a prestressed concrete box beam or girders - multiple carrying SR 638 over Slough Ditch in Logan County, Ohio. It was built in 2001, so it is 24 years old, younger than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,544 vehicles a day, roughly 3% of them trucks, projected to reach 2,143 by 2035. The structure is 56 ft (17.2 m) long and 40 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesSR 638
CrossesSlough Ditch
Location250 S of SR 273
RouteState Highway 638
StateOhio
Coordinates40.50345, -83.74351
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.3 US tons
Inventory rating46.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length56 ft (17.2 m)
Longest span55 ft (16.8 m)
Deck width40 ft (12.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,544 (2015)
Projected traffic2,143 by 2035
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 638 over Slough Ditch built?

It was built in 2001, making it 24 years old in 2025.

What condition is SR 638 over Slough Ditch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does SR 638 over Slough Ditch carry?

About 1,544 vehicles per day (2015 count), of which roughly 3% are trucks.

How long is SR 638 over Slough Ditch?

The structure is 56 ft (17.2 m) long with a longest span of 55 ft (16.8 m) and a deck 40 ft wide.

Who owns SR 638 over Slough Ditch?

It is owned by the State Highway Agency.