US Bridges

CR 800N over Flatrock River

Fair

Bartholomew County, Indiana · 00.20 E of CR 100 E · Structure no. 0300069

Built
1992
33 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
404 ft
4 main spans
Daily traffic
3,120
2022 count
Owner
County
County Highway Agency

About this bridge

CR 800N over Flatrock River is a prestressed concrete continuous stringer/multi-beam or girder carrying CR 800N over Flatrock River in Bartholomew County, Indiana. It was built in 1992, so it is 33 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 3,120 vehicles a day, roughly 3% of them trucks, projected to reach 4,700 by 2038. The structure is 404 ft (123.1 m) long and 33 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesCR 800N
CrossesFlatrock River
Location00.20 E of CR 100 E
RouteCounty Highway 68
CountyBartholomew County
StateIndiana
Coordinates39.32058, -85.89117
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
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
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.6 US tons
Inventory rating35.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length404 ft (123.1 m)
Longest span100 ft (30.6 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,120 (2022)
Projected traffic4,700 by 2038
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$186,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 800N over Flatrock River built?

It was built in 1992, making it 33 years old in 2025.

What condition is CR 800N over Flatrock River 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 CR 800N over Flatrock River carry?

About 3,120 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is CR 800N over Flatrock River?

The structure is 404 ft (123.1 m) long with a longest span of 100 ft (30.6 m) and a deck 33 ft wide.

Who owns CR 800N over Flatrock River?

It is owned by the County Highway Agency.