US Bridges

Csah 7 over Redwood River

Good

Lyon County, Minnesota · 0.3 MI S of JCT TH 19 · Structure no. 42555

Built
2000
25 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete Continuous
Length
156 ft
3 main spans
Daily traffic
2,900
2018 count
Owner
County
County Highway Agency

About this bridge

Csah 7 over Redwood River is a concrete continuous slab carrying Csah 7 over Redwood River in Lyon County, Minnesota. It was built in 2000, so it is 25 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 2,900 vehicles a day, projected to reach 2,700 by 2038. The structure is 156 ft (47.7 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCsah 7
CrossesRedwood River
Location0.3 MI S of JCT TH 19
RouteCounty Highway 7
Coordinates44.4364, -95.81655
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
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 rating88.7 US tons
Inventory rating53.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length156 ft (47.7 m)
Longest span62 ft (18.9 m)
Deck width51 ft (15.4 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,900 (2018)
Projected traffic2,700 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 7 over Redwood River built?

It was built in 2000, making it 25 years old in 2025.

What condition is Csah 7 over Redwood River 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 7 over Redwood River carry?

About 2,900 vehicles per day (2018 count).

How long is Csah 7 over Redwood River?

The structure is 156 ft (47.7 m) long with a longest span of 62 ft (18.9 m) and a deck 51 ft wide.

Who owns Csah 7 over Redwood River?

It is owned by the County Highway Agency.