US Bridges

CR 99 over CO Ditch # 11

Fair

Traverse County, Minnesota · 0.4 MI E of JCT CR 87 · Structure no. 93034

Built
1974
51 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
5
2008 count
Owner
County
County Highway Agency

About this bridge

CR 99 over CO Ditch # 11 is a concrete culvert carrying CR 99 over CO Ditch # 11 in Traverse County, Minnesota. It was built in 1974, so it is 51 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 5 vehicles a day, projected to reach 5 by 2039. The structure is 28 ft (8.6 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCR 99
CrossesCO Ditch # 11
Location0.4 MI E of JCT CR 87
RouteCounty Highway 99
Coordinates45.96375, -96.36254
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length28 ft (8.6 m)
Longest span10 ft (3.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2008)
Projected traffic5 by 2039
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 99 over CO Ditch # 11 built?

It was built in 1974, making it 51 years old in 2025.

What condition is CR 99 over CO Ditch # 11 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 December 2024.

How much traffic does CR 99 over CO Ditch # 11 carry?

About 5 vehicles per day (2008 count).

How long is CR 99 over CO Ditch # 11?

The structure is 28 ft (8.6 m) long with a longest span of 10 ft (3.1 m).

Who owns CR 99 over CO Ditch # 11?

It is owned by the County Highway Agency.