US Bridges

Service RD over Sprague Creek

PoorPosted for load

Roseau County, Minnesota · 8.0 MI N of JCT Csah 28 · Structure no. L9285

Built
1970
55 years old
Condition
Poor
inspected October 2024
Type
Slab
Wood or Timber
Length
65 ft
2 main spans
Daily traffic
2
1970 count
Owner
County
County Highway Agency

About this bridge

Service RD over Sprague Creek is a wood or timber slab carrying Service RD over Sprague Creek in Roseau County, Minnesota. It was built in 1970, so it is 55 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 2 vehicles a day, projected to reach 2 by 2029. The structure is 65 ft (19.7 m) long and 23 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesService RD
CrossesSprague Creek
Location8.0 MI N of JCT Csah 28
Coordinates48.99263, -95.66232
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
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 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating9.7 US tons
Inventory rating5 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length65 ft (19.7 m)
Longest span31 ft (9.4 m)
Deck width23 ft (7.1 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2 (1970)
Projected traffic2 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$186 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Service RD over Sprague Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Service RD over Sprague Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Service RD over Sprague Creek carry?

About 2 vehicles per day (1970 count).

How long is Service RD over Sprague Creek?

The structure is 65 ft (19.7 m) long with a longest span of 31 ft (9.4 m) and a deck 23 ft wide.

Who owns Service RD over Sprague Creek?

It is owned by the County Highway Agency.