US Bridges

CR 48 over N Fk Zumbro River

Fair

Goodhue County, Minnesota · 0.5 MI N of JCT Csah 10 · Structure no. 25539

Built
1981
44 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
231 ft
3 main spans
Daily traffic
265
2019 count
Owner
County
County Highway Agency

About this bridge

CR 48 over N Fk Zumbro River is a prestressed concrete stringer/multi-beam or girder carrying CR 48 over N Fk Zumbro River in Goodhue County, Minnesota. It was built in 1981, so it is 44 years old, older 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.

It carries about 265 vehicles a day, projected to reach 340 by 2039. The structure is 231 ft (70.3 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCR 48
CrossesN Fk Zumbro River
Location0.5 MI N of JCT Csah 10
RouteCounty Highway 48
CountyGoodhue County
StateMinnesota
Coordinates44.29933, -92.63762
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating102.4 US tons
Inventory rating43.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length231 ft (70.3 m)
Longest span75 ft (22.9 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic265 (2019)
Projected traffic340 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 48 over N Fk Zumbro River built?

It was built in 1981, making it 44 years old in 2025.

What condition is CR 48 over N Fk Zumbro 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 November 2023.

How much traffic does CR 48 over N Fk Zumbro River carry?

About 265 vehicles per day (2019 count).

How long is CR 48 over N Fk Zumbro River?

The structure is 231 ft (70.3 m) long with a longest span of 75 ft (22.9 m) and a deck 35 ft wide.

Who owns CR 48 over N Fk Zumbro River?

It is owned by the County Highway Agency.