US Bridges

Rider RD over Flatrock Creek

Fair

Allen County, Indiana · 00.10 W Morgan RD · Structure no. 0200210

Built
1979
46 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
84 ft
3 main spans
Daily traffic
416
2018 count
Owner
County
County Highway Agency

About this bridge

Rider RD over Flatrock Creek is a prestressed concrete box beam or girders - multiple carrying Rider RD over Flatrock Creek in Allen County, Indiana. It was built in 1979, so it is 46 years old, younger 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 416 vehicles a day, roughly 5% of them trucks, projected to reach 622 by 2038. The structure is 84 ft (25.6 m) long and 32 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesRider RD
CrossesFlatrock Creek
Location00.10 W Morgan RD
RouteCounty Highway 0
StateIndiana
Coordinates40.9439, -84.82501
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
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 evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.5 US tons
Inventory rating39.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length84 ft (25.6 m)
Longest span28 ft (8.5 m)
Deck width32 ft (9.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic416 (2018)
Projected traffic622 by 2038
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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$375,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rider RD over Flatrock Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is Rider RD over Flatrock Creek 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 Rider RD over Flatrock Creek carry?

About 416 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Rider RD over Flatrock Creek?

The structure is 84 ft (25.6 m) long with a longest span of 28 ft (8.5 m) and a deck 32 ft wide.

Who owns Rider RD over Flatrock Creek?

It is owned by the County Highway Agency.