US Bridges

Csah 9 over Cedar Run

PoorPosted for load

Martin County, Minnesota · 1.3 MI N of JCT Csah 44 · Structure no. 7196

Built
1957
68 years old
Condition
Poor
inspected November 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
66 ft
3 main spans
Daily traffic
85
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 9 over Cedar Run is a wood or timber stringer/multi-beam or girder carrying Csah 9 over Cedar Run in Martin County, Minnesota. It was built in 1957, so it is 68 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 85 vehicles a day, projected to reach 105 by 2042. The structure is 66 ft (20 m) long and 25 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCsah 9
CrossesCedar Run
Location1.3 MI N of JCT Csah 44
RouteCounty Highway 9
CountyMartin County
StateMinnesota
Coordinates43.79516, -94.77437
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating7.2 US tons
Inventory rating4.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadH 15
Structure length66 ft (20 m)
Longest span21 ft (6.4 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic85 (2022)
Projected traffic105 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$213 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 9 over Cedar Run built?

It was built in 1957, making it 68 years old in 2025.

What condition is Csah 9 over Cedar Run in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does Csah 9 over Cedar Run carry?

About 85 vehicles per day (2022 count).

How long is Csah 9 over Cedar Run?

The structure is 66 ft (20 m) long with a longest span of 21 ft (6.4 m) and a deck 25 ft wide.

Who owns Csah 9 over Cedar Run?

It is owned by the County Highway Agency.