US Bridges

Gwynne Street over Dugan Run & Iory RR

Fair

Champaign County, Ohio · 630 W of N. Main Street · Structure no. 1160044

Built
1973
52 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
269 ft
4 main spans
Daily traffic
2,312
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Gwynne Street over Dugan Run & Iory RR is a steel continuous stringer/multi-beam or girder carrying Gwynne Street over Dugan Run & Iory RR in Champaign County, Ohio. It was built in 1973, so it is 52 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 2,312 vehicles a day, roughly 5% of them trucks, projected to reach 3,210 by 2038. The structure is 269 ft (81.9 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesGwynne Street
CrossesDugan Run & Iory RR
Location630 W of N. Main Street
RouteCity Street 285
StateOhio
Coordinates40.11273, -83.75424
Functional classUrban Collector

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 protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating68.9 US tons
Inventory rating41.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length269 ft (81.9 m)
Longest span88 ft (26.8 m)
Deck width40 ft (12.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,312 (2018)
Projected traffic3,210 by 2038
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad and waterway
Detour if closed1.2 mi (2 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 Gwynne Street over Dugan Run & Iory RR built?

It was built in 1973, making it 52 years old in 2025.

What condition is Gwynne Street over Dugan Run & Iory RR 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 October 2024.

How much traffic does Gwynne Street over Dugan Run & Iory RR carry?

About 2,312 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Gwynne Street over Dugan Run & Iory RR?

The structure is 269 ft (81.9 m) long with a longest span of 88 ft (26.8 m) and a deck 40 ft wide.

Who owns Gwynne Street over Dugan Run & Iory RR?

It is owned by the City or Municipal Highway Agency.