US Bridges

Knouse RD over Wann Ditch

Fair

Allen County, Indiana · 00.20 E SR 101 · Structure no. 0200015

Built
1971
54 years old, rebuilt 2005
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
65 ft
3 main spans
Daily traffic
625
2018 count
Owner
County
County Highway Agency

About this bridge

Knouse RD over Wann Ditch is a prestressed concrete box beam or girders - multiple carrying Knouse RD over Wann Ditch in Allen County, Indiana. It was built in 1971 and reconstructed in 2005, so it is 54 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 5 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 625 vehicles a day, roughly 5% of them trucks, projected to reach 933 by 2038. The structure is 65 ft (19.9 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesKnouse RD
CrossesWann Ditch
Location00.20 E SR 101
RouteCounty Highway 112
CountyAllen County
StateIndiana
Coordinates41.21164, -84.86027
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.4 US tons
Inventory rating28.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length65 ft (19.9 m)
Longest span27 ft (8.1 m)
Deck width38 ft (11.5 m)
Roadway width35 ft (10.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic625 (2018)
Projected traffic933 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 Knouse RD over Wann Ditch built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2005.

What condition is Knouse RD over Wann Ditch 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 Knouse RD over Wann Ditch carry?

About 625 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Knouse RD over Wann Ditch?

The structure is 65 ft (19.9 m) long with a longest span of 27 ft (8.1 m) and a deck 38 ft wide.

Who owns Knouse RD over Wann Ditch?

It is owned by the County Highway Agency.