US Bridges

SR 257 over Howard Run

Fair

Delaware County, Ohio · 1.65 MI N of SR750 · Structure no. 2102978

Built
1968
57 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
73 ft
3 main spans
Daily traffic
8,277
2015 count
Owner
State
State Highway Agency

About this bridge

SR 257 over Howard Run is a concrete continuous slab carrying SR 257 over Howard Run in Delaware County, Ohio. It was built in 1968, so it is 57 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 8,277 vehicles a day, roughly 6% of them trucks, projected to reach 11,488 by 2035. The structure is 73 ft (22.3 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR 257
CrossesHoward Run
Location1.65 MI N of SR750
RouteState Highway 257
CountyDelaware County
StateOhio
Coordinates40.18142, -83.12613
Functional classUrban Minor Arterial

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 protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating34 US tons
Inventory rating25.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length73 ft (22.3 m)
Longest span28 ft (8.4 m)
Deck width44 ft (13.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,277 (2015)
Projected traffic11,488 by 2035
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 257 over Howard Run built?

It was built in 1968, making it 57 years old in 2025.

What condition is SR 257 over Howard Run 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 September 2024.

How much traffic does SR 257 over Howard Run carry?

About 8,277 vehicles per day (2015 count), of which roughly 6% are trucks.

How long is SR 257 over Howard Run?

The structure is 73 ft (22.3 m) long with a longest span of 28 ft (8.4 m) and a deck 44 ft wide.

Who owns SR 257 over Howard Run?

It is owned by the State Highway Agency.