CR 76 over Three Mile Creek

Good

Lyon County, Minnesota · 0.5 MI E JCT Csah 5 · Structure no. 42562

Built: 2007; 18 years old
Condition: Good; inspected September 2024
Type: Slab; Prestressed Concrete
Length: 120 ft; 3 main spans
Daily traffic: 85; 2010 count
Owner: County; County Highway Agency

About this bridge

CR 76 over Three Mile Creek is a prestressed concrete slab carrying CR 76 over Three Mile Creek in Lyon County, Minnesota. It was built in 2007, so it is 18 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 85 vehicles a day, projected to reach 85 by 2039. The structure is 120 ft (36.5 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCR 76

CrossesThree Mile Creek

Location0.5 MI E JCT Csah 5

RouteCounty Highway 76

CountyLyon County

StateMinnesota

Coordinates44.47237, -95.88646

Functional classRural Minor 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	8 Very Good	No problems noted.
Superstructure	8 Very Good	No problems noted.
Substructure	8 Very Good	No problems noted.
Channel and channel protection	7 Good	Some minor problems.

Last inspectionSeptember 2024

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour within limits of footing or piles

Structural evaluation8: Equal to present desirable criteria

Deck geometry9: Superior to present desirable criteria

Waterway adequacy8: Equal to present desirable criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating69.3 US tons

Inventory rating41.4 US tons

Structure

Structure typeSlab

MaterialPrestressed Concrete

DeckConcrete, cast-in-place

Main spans3

Design loadHL 93

Structure length120 ft (36.5 m)

Longest span45 ft (13.7 m)

Deck width39 ft (12 m)

Roadway width36 ft (11 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic85 (2010)

Projected traffic85 by 2039

Trucks—

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed1.9 mi (3 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 76 over Three Mile Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is CR 76 over Three Mile 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 September 2024.

How much traffic does CR 76 over Three Mile Creek carry?

About 85 vehicles per day (2010 count).

How long is CR 76 over Three Mile Creek?

The structure is 120 ft (36.5 m) long with a longest span of 45 ft (13.7 m) and a deck 39 ft wide.

Who owns CR 76 over Three Mile Creek?

It is owned by the County Highway Agency.