Csah 21 over Bullard Creek

Good

Goodhue County, Minnesota · 0.4 MI S of JCT TH 61 · Structure no. 25582

Built: 1998; 27 years old
Condition: Good; inspected October 2023
Type: Slab; Concrete Continuous
Length: 101 ft; 3 main spans
Daily traffic: 970; 2019 count
Owner: County; County Highway Agency

About this bridge

Csah 21 over Bullard Creek is a concrete continuous slab carrying Csah 21 over Bullard Creek in Goodhue County, Minnesota. It was built in 1998, so it is 27 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 970 vehicles a day, projected to reach 850 by 2039. The structure is 101 ft (30.9 m) long and 47 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesCsah 21

CrossesBullard Creek

Location0.4 MI S of JCT TH 61

RouteCounty Highway 21

CountyGoodhue County

StateMinnesota

Coordinates44.54235, -92.44724

Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

Component	Rating	Meaning
Deck	7 Good	Some minor problems.
Superstructure	7 Good	Some minor problems.
Substructure	8 Very Good	No problems noted.
Channel and channel protection	6 Satisfactory	Structural elements show some minor deterioration.

Last inspectionOctober 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 geometry9: Superior to present desirable criteria

Waterway adequacy9: Superior to present desirable criteria

Approach roadway alignment7: Better than present minimum criteria

Operating rating109.1 US tons

Inventory rating65.3 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans3

Design loadHS 25 or greater

Structure length101 ft (30.9 m)

Longest span38 ft (11.5 m)

Deck width47 ft (14.2 m)

Roadway width43 ft (13.1 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic970 (2019)

Projected traffic850 by 2039

Trucks—

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed6.2 mi (10 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 21 over Bullard Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is Csah 21 over Bullard Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does Csah 21 over Bullard Creek carry?

About 970 vehicles per day (2019 count).

How long is Csah 21 over Bullard Creek?

The structure is 101 ft (30.9 m) long with a longest span of 38 ft (11.5 m) and a deck 47 ft wide.

Who owns Csah 21 over Bullard Creek?

It is owned by the County Highway Agency.