US Bridges

Csah 17 over Blood Run

Fair

Rock County, Minnesota · 0.9 MI S of JCT Csah 13 · Structure no. L2017

Built
1960
65 years old
Condition
Fair
inspected October 2024
Type
Slab
Wood or Timber
Length
24 ft
1 main span
Daily traffic
825
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 17 over Blood Run is a wood or timber slab carrying Csah 17 over Blood Run in Rock County, Minnesota. It was built in 1960, so it is 65 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 825 vehicles a day, projected to reach 750 by 2042. The structure is 24 ft (7.3 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCsah 17
CrossesBlood Run
Location0.9 MI S of JCT Csah 13
RouteCounty Highway 17
CountyRock County
StateMinnesota
Coordinates43.51699, -96.43205
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.7 US tons
Inventory rating40.3 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 15
Structure length24 ft (7.3 m)
Longest span22 ft (6.7 m)
Deck width30 ft (9 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic825 (2022)
Projected traffic750 by 2042
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$120 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 17 over Blood Run built?

It was built in 1960, making it 65 years old in 2025.

What condition is Csah 17 over Blood Run 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 17 over Blood Run carry?

About 825 vehicles per day (2022 count).

How long is Csah 17 over Blood Run?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.7 m) and a deck 30 ft wide.

Who owns Csah 17 over Blood Run?

It is owned by the County Highway Agency.