US Bridges

Irving RD over Wilbur Drain

Fair

Allen County, Indiana · 00.75 E Thimler Road · Structure no. 0200098

Built
1970
55 years old
Condition
Fair
inspected May 2024
Type
Culvert
Steel
Length
38 ft
2 main spans
Daily traffic
245
2018 count
Owner
County
County Highway Agency

About this bridge

Irving RD over Wilbur Drain is a steel culvert carrying Irving RD over Wilbur Drain in Allen County, Indiana. It was built in 1970, so it is 55 years old, older than the Indiana average of 46.6 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 245 vehicles a day, roughly 5% of them trucks, projected to reach 365 by 2038. The structure is 38 ft (11.6 m) long and 95 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIrving RD
CrossesWilbur Drain
Location00.75 E Thimler Road
RouteCounty Highway 342
StateIndiana
Coordinates41.13794, -84.9217
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length38 ft (11.6 m)
Longest span18 ft (5.4 m)
Deck width95 ft (28.9 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic245 (2018)
Projected traffic365 by 2038
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Irving RD over Wilbur Drain built?

It was built in 1970, making it 55 years old in 2025.

What condition is Irving RD over Wilbur Drain 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 May 2024.

How much traffic does Irving RD over Wilbur Drain carry?

About 245 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Irving RD over Wilbur Drain?

The structure is 38 ft (11.6 m) long with a longest span of 18 ft (5.4 m) and a deck 95 ft wide.

Who owns Irving RD over Wilbur Drain?

It is owned by the County Highway Agency.