US Bridges

CR 900 North over ST Marys River

Fair

Adams County, Indiana · 0.70 Miles W of US 33 · Structure no. 0100027

Built
1984
41 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
199 ft
3 main spans
Daily traffic
478
2022 count
Owner
County
County Highway Agency

About this bridge

CR 900 North over ST Marys River is a prestressed concrete continuous box beam or girders - single or spread carrying CR 900 North over ST Marys River in Adams 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 478 vehicles a day, roughly 5% of them trucks, projected to reach 640 by 2042. The structure is 199 ft (60.6 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCR 900 North
CrossesST Marys River
Location0.70 Miles W of US 33
RouteCounty Highway 900
StateIndiana
Coordinates40.87582, -84.97141
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66.5 US tons
Inventory rating39.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length199 ft (60.6 m)
Longest span66 ft (20.2 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic478 (2022)
Projected traffic640 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 900 North over ST Marys River built?

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

What condition is CR 900 North over ST Marys 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 900 North over ST Marys River carry?

About 478 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is CR 900 North over ST Marys River?

The structure is 199 ft (60.6 m) long with a longest span of 66 ft (20.2 m) and a deck 30 ft wide.

Who owns CR 900 North over ST Marys River?

It is owned by the County Highway Agency.