US Bridges

T 170 over Brush Creek

FairPosted for load

Faribault County, Minnesota · 0.1 MI S of JCT Csah 2 · Structure no. L9579

Built
1975
50 years old
Condition
Fair
inspected November 2024
Type
Culvert
Steel
Length
35 ft
2 main spans
Daily traffic
75
1986 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 170 over Brush Creek is a steel culvert carrying T 170 over Brush Creek in Faribault County, Minnesota. It was built in 1975, so it is 50 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. Its operating status is: posted for load restriction.

It carries about 75 vehicles a day, projected to reach 75 by 2029. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesT 170
CrossesBrush Creek
Location0.1 MI S of JCT Csah 2
RouteCounty Highway 170
CountyFaribault County
StateMinnesota
Coordinates43.53455, -93.72817
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating14.4 US tons
Inventory rating7.2 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span15 ft (4.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (1986)
Projected traffic75 by 2029
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

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$395 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was T 170 over Brush Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is T 170 over Brush 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 2024.

How much traffic does T 170 over Brush Creek carry?

About 75 vehicles per day (1986 count).

How long is T 170 over Brush Creek?

The structure is 35 ft (10.7 m) long with a longest span of 15 ft (4.7 m).

Who owns T 170 over Brush Creek?

It is owned by the Town or Township Highway Agency.