US Bridges

Eighth Street over Mill Creek RR Evans ST

Poor

Hamilton County, Ohio · Viaduct W of Int Dalton · Structure no. 3136582

Built
1929
96 years old
Condition
Poor
inspected October 2024
Type
Girder and Floorbeam System
Steel
Length
2,730 ft
4 main spans
Daily traffic
4,917
2015 count
Owner
County
County Highway Agency

About this bridge

Eighth Street over Mill Creek RR Evans ST is a steel girder and floorbeam system carrying Eighth Street over Mill Creek RR Evans ST in Hamilton County, Ohio. It was built in 1929, so it is 96 years old, older than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 4,917 vehicles a day, roughly 7% of them trucks, projected to reach 6,825 by 2035. The structure is 2,730 ft (832.1 m) long and 70 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesEighth Street
CrossesMill Creek RR Evans ST
LocationViaduct W of Int Dalton
RouteCounty Highway CR601
StateOhio
Coordinates39.1051, -84.55089
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.5 US tons
Inventory rating57.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4 (+79 approach)
Design loadHS 20
Structure length2,730 ft (832.1 m)
Longest span75 ft (22.9 m)
Deck width70 ft (21.3 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,917 (2015)
Projected traffic6,825 by 2035
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway, waterway and railroad
Detour if closed1.2 mi (2 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 Eighth Street over Mill Creek RR Evans ST built?

It was built in 1929, making it 96 years old in 2025.

What condition is Eighth Street over Mill Creek RR Evans ST in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Eighth Street over Mill Creek RR Evans ST carry?

About 4,917 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Eighth Street over Mill Creek RR Evans ST?

The structure is 2,730 ft (832.1 m) long with a longest span of 75 ft (22.9 m) and a deck 70 ft wide.

Who owns Eighth Street over Mill Creek RR Evans ST?

It is owned by the County Highway Agency.