US Bridges

T 155 over Maple River

Good

Faribault County, Minnesota · 0.1 MI E of JCT Csah 19 · Structure no. 22572

Built
1986
39 years old
Condition
Good
inspected November 2023
Type
Tee Beam
Prestressed Concrete
Length
97 ft
3 main spans
Daily traffic
40
1986 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 155 over Maple River is a prestressed concrete tee beam carrying T 155 over Maple River in Faribault County, Minnesota. It was built in 1986, so it is 39 years old, older 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 40 vehicles a day, projected to reach 40 by 2029. The structure is 97 ft (29.6 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 155
CrossesMaple River
Location0.1 MI E of JCT Csah 19
RouteCounty Highway 155
Coordinates43.82575, -93.9041
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.6 US tons
Inventory rating43.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length97 ft (29.6 m)
Longest span32 ft (9.8 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (1986)
Projected traffic40 by 2029
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

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 155 over Maple River built?

It was built in 1986, making it 39 years old in 2025.

What condition is T 155 over Maple 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 November 2023.

How much traffic does T 155 over Maple River carry?

About 40 vehicles per day (1986 count).

How long is T 155 over Maple River?

The structure is 97 ft (29.6 m) long with a longest span of 32 ft (9.8 m) and a deck 32 ft wide.

Who owns T 155 over Maple River?

It is owned by the Town or Township Highway Agency.