US Bridges

T 228 over Silver Creek

Good

Olmsted County, Minnesota · 0.7 MI W JCT CR 119 on · Structure no. L9430

Built
1973
52 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
74
1990 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 228 over Silver Creek is a concrete culvert carrying T 228 over Silver Creek in Olmsted 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 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 74 vehicles a day, projected to reach 74 by 2029. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 228
CrossesSilver Creek
Location0.7 MI W JCT CR 119 on
RouteCounty Highway 228
Coordinates44.03546, -92.35228
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span13 ft (4.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic74 (1990)
Projected traffic74 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 byCounty 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 228 over Silver Creek built?

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

What condition is T 228 over Silver Creek 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 December 2024.

How much traffic does T 228 over Silver Creek carry?

About 74 vehicles per day (1990 count).

How long is T 228 over Silver Creek?

The structure is 28 ft (8.5 m) long with a longest span of 13 ft (4.1 m).

Who owns T 228 over Silver Creek?

It is owned by the Town or Township Highway Agency and maintained by the County Highway Agency.