US Bridges

Csah 11 over White Oak Creek

Good

Itasca County, Minnesota · 0.7 MI S of JCT US 2 · Structure no. 31555

Built
2004
21 years old
Condition
Good
inspected May 2024
Type
Slab
Concrete
Length
36 ft
1 main span
Daily traffic
640
2020 count
Owner
County
County Highway Agency

About this bridge

Csah 11 over White Oak Creek is a concrete slab carrying Csah 11 over White Oak Creek in Itasca County, Minnesota. It was built in 2004, so it is 21 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 640 vehicles a day, projected to reach 800 by 2040. The structure is 36 ft (10.9 m) long and 39 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesCsah 11
CrossesWhite Oak Creek
Location0.7 MI S of JCT US 2
RouteCounty Highway 11
Coordinates47.31048, -93.74547
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.1 US tons
Inventory rating57.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length36 ft (10.9 m)
Longest span34 ft (10.4 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic640 (2020)
Projected traffic800 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 11 over White Oak Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is Csah 11 over White Oak Creek 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 May 2024.

How much traffic does Csah 11 over White Oak Creek carry?

About 640 vehicles per day (2020 count).

How long is Csah 11 over White Oak Creek?

The structure is 36 ft (10.9 m) long with a longest span of 34 ft (10.4 m) and a deck 39 ft wide.

Who owns Csah 11 over White Oak Creek?

It is owned by the County Highway Agency.