US Bridges

CR 128 over Deer River

Fair

Itasca County, Minnesota · 0.6 MI E of JCT TH 6 · Structure no. 31529

Built
1992
33 years old
Condition
Fair
inspected May 2023
Type
Slab
Wood or Timber
Length
87 ft
3 main spans
Daily traffic
240
2017 count
Owner
County
County Highway Agency

About this bridge

CR 128 over Deer River is a wood or timber slab carrying CR 128 over Deer River in Itasca County, Minnesota. It was built in 1992, so it is 33 years old, younger 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 240 vehicles a day, projected to reach 240 by 2039. The structure is 87 ft (26.5 m) long and 38 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCR 128
CrossesDeer River
Location0.6 MI E of JCT TH 6
RouteCounty Highway 128
Coordinates47.34618, -93.78264
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.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.8 US tons
Inventory rating43.9 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 25 or greater
Structure length87 ft (26.5 m)
Longest span29 ft (8.8 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic240 (2017)
Projected traffic240 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 128 over Deer River built?

It was built in 1992, making it 33 years old in 2025.

What condition is CR 128 over Deer River 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 May 2023.

How much traffic does CR 128 over Deer River carry?

About 240 vehicles per day (2017 count).

How long is CR 128 over Deer River?

The structure is 87 ft (26.5 m) long with a longest span of 29 ft (8.8 m) and a deck 38 ft wide.

Who owns CR 128 over Deer River?

It is owned by the County Highway Agency.