US Bridges

Csah 18 over Judicial Ditch #14

GoodPosted for load

Martin County, Minnesota · 0.2 MI S of JCT Csah 18 · Structure no. 22517

Built
1970
55 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
36 ft
1 main span
Daily traffic
111
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 18 over Judicial Ditch #14 is a wood or timber stringer/multi-beam or girder carrying Csah 18 over Judicial Ditch #14 in Martin County, Minnesota. It was built in 1970, so it is 55 years old, older 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. Its operating status is: posted for load restriction.

It carries about 111 vehicles a day, projected to reach 160 by 2042. The structure is 36 ft (11 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCsah 18
CrossesJudicial Ditch #14
Location0.2 MI S of JCT Csah 18
RouteCounty Highway 18
Coordinates43.58456, -94.24792
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.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.3 US tons
Inventory rating25.7 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length36 ft (11 m)
Longest span33 ft (10.2 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic111 (2022)
Projected traffic160 by 2042
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 Csah 18 over Judicial Ditch #14 built?

It was built in 1970, making it 55 years old in 2025.

What condition is Csah 18 over Judicial Ditch #14 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 2023.

How much traffic does Csah 18 over Judicial Ditch #14 carry?

About 111 vehicles per day (2022 count).

How long is Csah 18 over Judicial Ditch #14?

The structure is 36 ft (11 m) long with a longest span of 33 ft (10.2 m) and a deck 33 ft wide.

Who owns Csah 18 over Judicial Ditch #14?

It is owned by the County Highway Agency.