US Bridges

T 185 over E Fk Blue Earth River

Good

Faribault County, Minnesota · 4.0 MI S of JCT Csah 16 · Structure no. 22530

Built
1973
52 years old
Condition
Good
inspected November 2023
Type
Tee Beam
Prestressed Concrete
Length
115 ft
3 main spans
Daily traffic
35
1986 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 185 over E Fk Blue Earth River is a prestressed concrete tee beam carrying T 185 over E Fk Blue Earth River in Faribault County, Minnesota. It was built in 1973, so it is 52 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 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 35 vehicles a day, projected to reach 35 by 2029. The structure is 115 ft (34.9 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT 185
CrossesE Fk Blue Earth River
Location4.0 MI S of JCT Csah 16
RouteCounty Highway 185
Coordinates43.58785, -93.82795
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.
Superstructure8 Very GoodNo problems noted.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.4 US tons
Inventory rating20.2 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length115 ft (34.9 m)
Longest span38 ft (11.7 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (1986)
Projected traffic35 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 185 over E Fk Blue Earth River built?

It was built in 1973, making it 52 years old in 2025.

What condition is T 185 over E Fk 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 November 2023.

How much traffic does T 185 over E Fk Blue Earth River carry?

About 35 vehicles per day (1986 count).

How long is T 185 over E Fk Blue Earth River?

The structure is 115 ft (34.9 m) long with a longest span of 38 ft (11.7 m) and a deck 28 ft wide.

Who owns T 185 over E Fk Blue Earth River?

It is owned by the Town or Township Highway Agency.