US Bridges

Seward Road over Mill Creek

Good

Butler County, Ohio · MI South of CR 20 · Structure no. 0963372

Built
1994
31 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
1,362
1993 count
Owner
City
City or Municipal Highway Agency

About this bridge

Seward Road over Mill Creek is a prestressed concrete box beam or girders - multiple carrying Seward Road over Mill Creek in Butler County, Ohio. It was built in 1994, so it is 31 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,362 vehicles a day, roughly 3% of them trucks, projected to reach 1,890 by 2013. The structure is 52 ft (15.9 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSeward Road
CrossesMill Creek
LocationMI South of CR 20
RouteCity Street M5040
StateOhio
Coordinates39.35427, -84.49112
Functional classUrban Local

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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 alignment6: Equal to present minimum criteria
Operating rating62.8 US tons
Inventory rating37.5 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20 + Mod
Structure length52 ft (15.9 m)
Longest span51 ft (15.5 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,362 (1993)
Projected traffic1,890 by 2013
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Seward Road over Mill Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is Seward Road over Mill Creek 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 April 2023.

How much traffic does Seward Road over Mill Creek carry?

About 1,362 vehicles per day (1993 count), of which roughly 3% are trucks.

How long is Seward Road over Mill Creek?

The structure is 52 ft (15.9 m) long with a longest span of 51 ft (15.5 m) and a deck 30 ft wide.

Who owns Seward Road over Mill Creek?

It is owned by the City or Municipal Highway Agency.