US Bridges

T 163 over Middle River

Good

Marshall County, Minnesota · 1.3 MI N of JCT Csah 4 · Structure no. 45565

Built
2003
22 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
118 ft
3 main spans
Daily traffic
20
2003 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 163 over Middle River is a prestressed concrete stringer/multi-beam or girder carrying T 163 over Middle River in Marshall County, Minnesota. It was built in 2003, so it is 22 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 20 vehicles a day, projected to reach 251 by 2029. The structure is 118 ft (35.9 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT 163
CrossesMiddle River
Location1.3 MI N of JCT Csah 4
RouteCounty Highway 163
Coordinates48.35912, -96.58716
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.7 US tons
Inventory rating54.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length118 ft (35.9 m)
Longest span39 ft (11.9 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2003)
Projected traffic251 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was T 163 over Middle River built?

It was built in 2003, making it 22 years old in 2025.

What condition is T 163 over Middle 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 October 2023.

How much traffic does T 163 over Middle River carry?

About 20 vehicles per day (2003 count).

How long is T 163 over Middle River?

The structure is 118 ft (35.9 m) long with a longest span of 39 ft (11.9 m) and a deck 31 ft wide.

Who owns T 163 over Middle River?

It is owned by the Town or Township Highway Agency.