US Bridges

Carrier RD over Flatrock Creek

Fair

Allen County, Indiana · 00.40 E Morgan · Structure no. 0200218

Built
1974
51 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete Continuous
Length
82 ft
3 main spans
Daily traffic
156
2018 count
Owner
County
County Highway Agency

About this bridge

Carrier RD over Flatrock Creek is a concrete continuous slab carrying Carrier RD over Flatrock Creek in Allen County, Indiana. It was built in 1974, so it is 51 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 156 vehicles a day, roughly 5% of them trucks, projected to reach 233 by 2038. The structure is 82 ft (24.9 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCarrier RD
CrossesFlatrock Creek
Location00.40 E Morgan
RouteCounty Highway 0
StateIndiana
Coordinates40.92954, -84.81746
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 within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64 US tons
Inventory rating38.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length82 ft (24.9 m)
Longest span32 ft (9.7 m)
Deck width32 ft (9.7 m)
Roadway width31 ft (9.6 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$630,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Carrier RD over Flatrock Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is Carrier 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 Carrier RD over Flatrock Creek carry?

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

How long is Carrier RD over Flatrock Creek?

The structure is 82 ft (24.9 m) long with a longest span of 32 ft (9.7 m) and a deck 32 ft wide.

Who owns Carrier RD over Flatrock Creek?

It is owned by the County Highway Agency.