US Bridges

Seymour Avenue over Mill Creek

Good

Hamilton County, Ohio · 0.7 MI W Awayne & Seymour · Structure no. 3136922

Built
1994
31 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
183 ft
2 main spans
Daily traffic
10,316
2015 count
Owner
County
County Highway Agency

About this bridge

Seymour Avenue over Mill Creek is a steel continuous stringer/multi-beam or girder carrying Seymour Avenue over Mill Creek in Hamilton 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 10,316 vehicles a day, roughly 5% of them trucks, projected to reach 14,319 by 2035. The structure is 183 ft (55.8 m) long and 46 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesSeymour Avenue
CrossesMill Creek
Location0.7 MI W Awayne & Seymour
RouteCity Street 345
CountyHamilton County
StateOhio
Coordinates39.19562, -84.4898
Functional classUrban 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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating78.6 US tons
Inventory rating50 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length183 ft (55.8 m)
Longest span89 ft (27.1 m)
Deck width46 ft (13.9 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,316 (2015)
Projected traffic14,319 by 2035
Trucks5%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Seymour Avenue over Mill Creek built?

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

What condition is Seymour Avenue 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 March 2024.

How much traffic does Seymour Avenue over Mill Creek carry?

About 10,316 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Seymour Avenue over Mill Creek?

The structure is 183 ft (55.8 m) long with a longest span of 89 ft (27.1 m) and a deck 46 ft wide.

Who owns Seymour Avenue over Mill Creek?

It is owned by the County Highway Agency.