US Bridges

Yoder RD over Dettmer Drain

Fair

Allen County, Indiana · 00.60 E SR 1 · Structure no. 0200188

Built
1975
50 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
27 ft
1 main span
Daily traffic
468
2018 count
Owner
County
County Highway Agency

About this bridge

Yoder RD over Dettmer Drain is a prestressed concrete box beam or girders - multiple carrying Yoder RD over Dettmer Drain in Allen County, Indiana. It was built in 1975, so it is 50 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 468 vehicles a day, roughly 5% of them trucks, projected to reach 700 by 2038. The structure is 27 ft (8.2 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesYoder RD
CrossesDettmer Drain
Location00.60 E SR 1
RouteCounty Highway 6
StateIndiana
Coordinates40.93139, -85.15629
Functional classRural Major 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 rating56.3 US tons
Inventory rating33.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span24 ft (7.3 m)
Deck width32 ft (9.7 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic468 (2018)
Projected traffic700 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$425,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Yoder RD over Dettmer Drain built?

It was built in 1975, making it 50 years old in 2025.

What condition is Yoder RD over Dettmer 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 Yoder RD over Dettmer Drain carry?

About 468 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Yoder RD over Dettmer Drain?

The structure is 27 ft (8.2 m) long with a longest span of 24 ft (7.3 m) and a deck 32 ft wide.

Who owns Yoder RD over Dettmer Drain?

It is owned by the County Highway Agency.