US Bridges

SR49 over Sherman Ditch

GoodPosted for load

Mercer County, Ohio · .85 Mi. N. of Jct. SR29 · Structure no. 5400872

Built
1956
69 years old
Condition
Good
inspected August 2024
Type
Slab
Concrete Continuous
Length
81 ft
3 main spans
Daily traffic
1,327
2015 count
Owner
State
State Highway Agency

About this bridge

SR49 over Sherman Ditch is a concrete continuous slab carrying SR49 over Sherman Ditch in Mercer County, Ohio. It was built in 1956, so it is 69 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 1,327 vehicles a day, roughly 26% of them trucks, projected to reach 1,842 by 2035. The structure is 81 ft (24.7 m) long and 32 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

Location

Open in Google Maps
CarriesSR49
CrossesSherman Ditch
Location.85 Mi. N. of Jct. SR29
RouteState Highway 49
CountyMercer County
StateOhio
Coordinates40.55798, -84.78457
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating32.2 US tons
Inventory rating21.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length81 ft (24.7 m)
Longest span30 ft (9.1 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,327 (2015)
Projected traffic1,842 by 2035
Trucks26%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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 SR49 over Sherman Ditch built?

It was built in 1956, making it 69 years old in 2025.

What condition is SR49 over Sherman 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 August 2024.

How much traffic does SR49 over Sherman Ditch carry?

About 1,327 vehicles per day (2015 count), of which roughly 26% are trucks.

How long is SR49 over Sherman Ditch?

The structure is 81 ft (24.7 m) long with a longest span of 30 ft (9.1 m) and a deck 32 ft wide.

Who owns SR49 over Sherman Ditch?

It is owned by the State Highway Agency.