US Bridges

CR 800N over Big Blue River

Fair

Rush County, Indiana · 00.64 E of CR 800 W · Structure no. 7000007

Built
1984
41 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
204 ft
3 main spans
Daily traffic
775
2019 count
Owner
County
County Highway Agency

About this bridge

CR 800N over Big Blue River is a prestressed concrete continuous stringer/multi-beam or girder carrying CR 800N over Big Blue River in Rush County, Indiana. It was built in 1984, so it is 41 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 775 vehicles a day, roughly 5% of them trucks, projected to reach 1,050 by 2039. The structure is 204 ft (62.3 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 800N
CrossesBig Blue River
Location00.64 E of CR 800 W
RouteCounty Highway 62
StateIndiana
Coordinates39.72785, -85.58316
Functional classRural Minor 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating32.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length204 ft (62.3 m)
Longest span67 ft (20.4 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic775 (2019)
Projected traffic1,050 by 2039
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 CR 800N over Big Blue River built?

It was built in 1984, making it 41 years old in 2025.

What condition is CR 800N over Big Blue 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 April 2023.

How much traffic does CR 800N over Big Blue River carry?

About 775 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is CR 800N over Big Blue River?

The structure is 204 ft (62.3 m) long with a longest span of 67 ft (20.4 m) and a deck 29 ft wide.

Who owns CR 800N over Big Blue River?

It is owned by the County Highway Agency.