US Bridges

Csah 30 over Shingle Creek

FairPosted for load

Goodhue County, Minnesota · 0.1 MI W of JCT TH 57 · Structure no. 25563

Built
1987
38 years old
Condition
Fair
inspected October 2024
Type
Slab
Wood or Timber
Length
67 ft
3 main spans
Daily traffic
520
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 30 over Shingle Creek is a wood or timber slab carrying Csah 30 over Shingle Creek 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 6 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 520 vehicles a day, projected to reach 570 by 2039. The structure is 67 ft (20.5 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCsah 30
CrossesShingle Creek
Location0.1 MI W of JCT TH 57
RouteCounty Highway 30
CountyGoodhue County
StateMinnesota
Coordinates44.30851, -92.79404
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating35.6 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length67 ft (20.5 m)
Longest span32 ft (9.7 m)
Deck width36 ft (10.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic520 (2019)
Projected traffic570 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Shingle Creek built?

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

What condition is Csah 30 over Shingle 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 October 2024.

How much traffic does Csah 30 over Shingle Creek carry?

About 520 vehicles per day (2019 count).

How long is Csah 30 over Shingle Creek?

The structure is 67 ft (20.5 m) long with a longest span of 32 ft (9.7 m) and a deck 36 ft wide.

Who owns Csah 30 over Shingle Creek?

It is owned by the County Highway Agency.