US Bridges

Csah 27 over ST James Creek

Fair

Watonwan County, Minnesota · 0.4 MI E of JCT Csah 56 · Structure no. 83536

Built
1996
29 years old
Condition
Fair
inspected November 2023
Type
Slab
Wood or Timber
Length
66 ft
3 main spans
Daily traffic
1,500
2016 count
Owner
County
County Highway Agency

About this bridge

Csah 27 over ST James Creek is a wood or timber slab carrying Csah 27 over ST James Creek in Watonwan County, Minnesota. It was built in 1996, so it is 29 years old, younger 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 1,500 vehicles a day, projected to reach 1,500 by 2035. The structure is 66 ft (20.1 m) long and 46 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCsah 27
CrossesST James Creek
Location0.4 MI E of JCT Csah 56
RouteCounty Highway 27
Coordinates43.98598, -94.61241
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.9 US tons
Inventory rating56.2 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 25 or greater
Structure length66 ft (20.1 m)
Longest span22 ft (6.7 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2016)
Projected traffic1,500 by 2035
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 Csah 27 over ST James Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Csah 27 over ST James Creek 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 November 2023.

How much traffic does Csah 27 over ST James Creek carry?

About 1,500 vehicles per day (2016 count).

How long is Csah 27 over ST James Creek?

The structure is 66 ft (20.1 m) long with a longest span of 22 ft (6.7 m) and a deck 46 ft wide.

Who owns Csah 27 over ST James Creek?

It is owned by the County Highway Agency.