US Bridges

Csah 30 over Stream

FairPosted for load

Goodhue County, Minnesota · 1.5 MI W of JCT TH 57 · Structure no. 25564

Built
1987
38 years old
Condition
Fair
inspected October 2024
Type
Slab
Wood or Timber
Length
83 ft
3 main spans
Daily traffic
340
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 30 over Stream is a wood or timber slab carrying Csah 30 over Stream in Goodhue County, Minnesota. It was built in 1987, so it is 38 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 340 vehicles a day, projected to reach 400 by 2039. The structure is 83 ft (25.4 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCsah 30
CrossesStream
Location1.5 MI W of JCT TH 57
RouteCounty Highway 30
CountyGoodhue County
StateMinnesota
Coordinates44.31247, -92.81616
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating32.8 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length83 ft (25.4 m)
Longest span32 ft (9.7 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic340 (2019)
Projected traffic400 by 2039
Trucks—
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 Csah 30 over Stream built?

It was built in 1987, making it 38 years old in 2025.

What condition is Csah 30 over Stream 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 October 2024.

How much traffic does Csah 30 over Stream carry?

About 340 vehicles per day (2019 count).

How long is Csah 30 over Stream?

The structure is 83 ft (25.4 m) long with a longest span of 32 ft (9.7 m) and a deck 34 ft wide.

Who owns Csah 30 over Stream?

It is owned by the County Highway Agency.