US Bridges

T 147 over E Fk Cedar River

Good

Dodge County, Minnesota · 0.5 MI S of JCT TH 30 · Structure no. 20523

Built
1979
46 years old
Condition
Good
inspected October 2024
Type
Tee Beam
Prestressed Concrete
Length
103 ft
3 main spans
Daily traffic
150
1993 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 147 over E Fk Cedar River is a prestressed concrete tee beam carrying T 147 over E Fk Cedar River in Dodge County, Minnesota. It was built in 1979, so it is 46 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 150 vehicles a day, projected to reach 150 by 2029. The structure is 103 ft (31.4 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 147
CrossesE Fk Cedar River
Location0.5 MI S of JCT TH 30
RouteCounty Highway 147
Coordinates43.88438, -92.89943
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
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 rating59.7 US tons
Inventory rating35.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length103 ft (31.4 m)
Longest span34 ft (10.5 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (1993)
Projected traffic150 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 147 over E Fk Cedar River built?

It was built in 1979, making it 46 years old in 2025.

What condition is T 147 over E Fk Cedar 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 147 over E Fk Cedar River carry?

About 150 vehicles per day (1993 count).

How long is T 147 over E Fk Cedar River?

The structure is 103 ft (31.4 m) long with a longest span of 34 ft (10.5 m) and a deck 35 ft wide.

Who owns T 147 over E Fk Cedar River?

It is owned by the Town or Township Highway Agency.