US Bridges

T 92 over Blue Earth River

GoodPosted for load

Faribault County, Minnesota · 0.4 MI W of JCT TH 169 · Structure no. 22577

Built
1987
38 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
157 ft
3 main spans
Daily traffic
40
1986 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 92 over Blue Earth River is a steel continuous stringer/multi-beam or girder carrying T 92 over Blue Earth River in Faribault County, Minnesota. It was built in 1987, so it is 38 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. Its operating status is: posted for load restriction.

It carries about 40 vehicles a day, projected to reach 40 by 2029. The structure is 157 ft (47.9 m) long and 31 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesT 92
CrossesBlue Earth River
Location0.4 MI W of JCT TH 169
RouteCounty Highway 92
Coordinates43.70848, -94.14316
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating25 US tons
Inventory rating20.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length157 ft (47.9 m)
Longest span60 ft (18.3 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 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 closed6.8 mi (11 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$588.5 million (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was T 92 over Blue Earth River built?

It was built in 1987, making it 38 years old in 2025.

What condition is T 92 over Blue Earth 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 2024.

How much traffic does T 92 over Blue Earth River carry?

About 40 vehicles per day (1986 count).

How long is T 92 over Blue Earth River?

The structure is 157 ft (47.9 m) long with a longest span of 60 ft (18.3 m) and a deck 31 ft wide.

Who owns T 92 over Blue Earth River?

It is owned by the Town or Township Highway Agency.