US Bridges

State Rd. over Ottawa River State RD

Fair

Allen County, Ohio · 0.32 MI E of Wapak RD · Structure no. 0253804

Built
1955
70 years old, rebuilt 2002
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
214 ft
3 main spans
Daily traffic
717
2015 count
Owner
County
County Highway Agency

About this bridge

State Rd. over Ottawa River State RD is a steel continuous stringer/multi-beam or girder carrying State Rd. over Ottawa River State RD in Allen County, Ohio. It was built in 1955 and reconstructed in 2002, so it is 70 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 717 vehicles a day, roughly 8% of them trucks, projected to reach 995 by 2035. The structure is 214 ft (65.3 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesState Rd.
CrossesOttawa River State RD
Location0.32 MI E of Wapak RD
RouteCounty Highway C0084
CountyAllen County
StateOhio
Coordinates40.81668, -84.20888
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.1 US tons
Inventory rating22.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length214 ft (65.3 m)
Longest span80 ft (24.4 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic717 (2015)
Projected traffic995 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$484,000
NavigationNo navigation control on waterway

Frequently asked questions

When was State Rd. over Ottawa River State RD built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 2002.

What condition is State Rd. over Ottawa River State RD 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 June 2024.

How much traffic does State Rd. over Ottawa River State RD carry?

About 717 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is State Rd. over Ottawa River State RD?

The structure is 214 ft (65.3 m) long with a longest span of 80 ft (24.4 m) and a deck 28 ft wide.

Who owns State Rd. over Ottawa River State RD?

It is owned by the County Highway Agency.