T 637 over Silver Creek

Fair

Stearns County, Minnesota · 0.3 MI NE of JCT Csah 17 · Structure no. 73517

Built: 1977; 48 years old
Condition: Fair; inspected January 2025
Type: Slab; Wood or Timber
Length: 66 ft; 3 main spans
Daily traffic: 35; 1986 count
Owner: Town / Township; Town or Township Highway Agency

About this bridge

T 637 over Silver Creek is a wood or timber slab carrying T 637 over Silver Creek in Stearns County, Minnesota. It was built in 1977, so it is 48 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 35 vehicles a day, projected to reach 35 by 2029. The structure is 66 ft (20.1 m) long and 30 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesT 637

CrossesSilver Creek

Location0.3 MI NE of JCT Csah 17

RouteCounty Highway 637

CountyStearns County

StateMinnesota

Coordinates45.76568, -94.97462

Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

Component	Rating	Meaning
Deck	6 Satisfactory	Structural elements show some minor deterioration.
Superstructure	6 Satisfactory	Structural elements show some minor deterioration.
Substructure	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection	8 Very Good	No problems noted.

Last inspectionJanuary 2025

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 geometry7: Better than present minimum criteria

Waterway adequacy9: Superior to present desirable criteria

Approach roadway alignment7: Better than present minimum criteria

Operating rating51.5 US tons

Inventory rating36.4 US tons

Structure

Structure typeSlab

MaterialWood or Timber

DeckWood or timber

Main spans3

Design loadHS 20

Structure length66 ft (20.1 m)

Longest span26 ft (7.9 m)

Deck width30 ft (9.1 m)

Roadway width28 ft (8.5 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 closed8.1 mi (13 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 637 over Silver Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is T 637 over Silver Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2025.

How much traffic does T 637 over Silver Creek carry?

About 35 vehicles per day (1986 count).

How long is T 637 over Silver Creek?

The structure is 66 ft (20.1 m) long with a longest span of 26 ft (7.9 m) and a deck 30 ft wide.

Who owns T 637 over Silver Creek?

It is owned by the Town or Township Highway Agency.