US Bridges

Csah 36 over Gull River

GoodPosted for load

Cass County, Minnesota · 2.0 MI S of JCT TH 210 · Structure no. 11508

Built
1966
59 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
120 ft
3 main spans
Daily traffic
730
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 36 over Gull River is a wood or timber stringer/multi-beam or girder carrying Csah 36 over Gull River in Cass County, Minnesota. It was built in 1966, so it is 59 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 730 vehicles a day, projected to reach 660 by 2039. The structure is 120 ft (36.6 m) long and 38 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesCsah 36
CrossesGull River
Location2.0 MI S of JCT TH 210
RouteCounty Highway 36
Coordinates46.31181, -94.38124
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating40.3 US tons
Inventory rating27.4 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadH 20
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width38 ft (11.6 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic730 (2019)
Projected traffic660 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed8.7 mi (14 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 36 over Gull River built?

It was built in 1966, making it 59 years old in 2025.

What condition is Csah 36 over Gull 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 September 2024.

How much traffic does Csah 36 over Gull River carry?

About 730 vehicles per day (2019 count).

How long is Csah 36 over Gull River?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 38 ft wide.

Who owns Csah 36 over Gull River?

It is owned by the County Highway Agency.