US Bridges

Lortie RD over Flatrock Creek

Fair

Allen County, Indiana · 00.02 N Flatrock Road · Structure no. 0200233

Built
1989
36 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
83 ft
3 main spans
Daily traffic
156
2018 count
Owner
County
County Highway Agency

About this bridge

Lortie RD over Flatrock Creek is a prestressed concrete box beam or girders - multiple carrying Lortie RD over Flatrock Creek in Allen County, Indiana. It was built in 1989, so it is 36 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 156 vehicles a day, roughly 5% of them trucks, projected to reach 233 by 2038. The structure is 83 ft (25.3 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLortie RD
CrossesFlatrock Creek
Location00.02 N Flatrock Road
RouteCounty Highway 0
StateIndiana
Coordinates40.96659, -84.84377
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.
Superstructure7 GoodSome minor problems.
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 within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66 US tons
Inventory rating39.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length83 ft (25.3 m)
Longest span27 ft (8.2 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic156 (2018)
Projected traffic233 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 Lortie RD over Flatrock Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Lortie 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 Lortie RD over Flatrock Creek carry?

About 156 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Lortie RD over Flatrock Creek?

The structure is 83 ft (25.3 m) long with a longest span of 27 ft (8.2 m) and a deck 32 ft wide.

Who owns Lortie RD over Flatrock Creek?

It is owned by the County Highway Agency.