US Bridges

Csah 23 over Shotley Brook

Good

Beltrami County, Minnesota · 4.1 MI W of JCT TH 72 · Structure no. 94200

Built
1991
34 years old
Condition
Good
inspected October 2021
Type
Culvert
Concrete
Length
44 ft
3 main spans
Daily traffic
117
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 23 over Shotley Brook is a concrete culvert carrying Csah 23 over Shotley Brook in Beltrami County, Minnesota. It was built in 1991, so it is 34 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 117 vehicles a day, projected to reach 120 by 2042. The structure is 44 ft (13.4 m) long. If it were closed, the detour would be 18 mi (29 km).

CarriesCsah 23
CrossesShotley Brook
Location4.1 MI W of JCT TH 72
RouteCounty Highway 23
Coordinates48.07729, -94.58489
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
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic117 (2022)
Projected traffic120 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 23 over Shotley Brook built?

It was built in 1991, making it 34 years old in 2025.

What condition is Csah 23 over Shotley Brook 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 October 2021.

How much traffic does Csah 23 over Shotley Brook carry?

About 117 vehicles per day (2022 count).

How long is Csah 23 over Shotley Brook?

The structure is 44 ft (13.4 m) long with a longest span of 12 ft (3.7 m).

Who owns Csah 23 over Shotley Brook?

It is owned by the County Highway Agency.