US Bridges

Park Road over Turtle River

PoorPosted for load

Grand Forks County, North Dakota · Turtle River State Park · Structure no. 0000TRSP01

Built
1910
115 years old
Condition
Poor
inspected May 2024
Type
Truss - Thru
Steel
Length
60 ft
1 main span
Daily traffic
5
2019 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

Park Road over Turtle River is a steel truss - thru carrying Park Road over Turtle River in Grand Forks County, North Dakota. It was built in 1910, so it is 115 years old, older than the North Dakota average of 48.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 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 5 vehicles a day, roughly 3% of them trucks, projected to reach 175 by 2039. The structure is 60 ft (18.3 m) long and 18 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesPark Road
CrossesTurtle River
LocationTurtle River State Park
RouteState Lands Road 0
Coordinates47.93675, -97.50089
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.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
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 inspectionMay 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating6.3 US tons
Inventory rating3.7 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 25 or greater
Structure length60 ft (18.3 m)
Longest span55 ft (16.8 m)
Deck width18 ft (5.5 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2019)
Projected traffic175 by 2039
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a toll road
National Highway SystemNo

Ownership and planned work

OwnerState Park, Forest, or Reservation Agency
Maintained byState Park, Forest, or Reservation Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$399,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Park Road over Turtle River built?

It was built in 1910, making it 115 years old in 2025.

What condition is Park Road over Turtle River 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 May 2024.

How much traffic does Park Road over Turtle River carry?

About 5 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is Park Road over Turtle River?

The structure is 60 ft (18.3 m) long with a longest span of 55 ft (16.8 m) and a deck 18 ft wide.

Who owns Park Road over Turtle River?

It is owned by the State Park, Forest, or Reservation Agency.