US Bridges

Hulm Road over Rice River

Good

St. Louis County, Minnesota · 4.6 MI N of JCT Csah 68 · Structure no. 090901000001020

Built
1981
44 years old
Condition
Good
inspected September 2024
Type
Slab
Concrete
Length
25 ft
1 main span
Daily traffic
60
1981 count
Owner
Federal
U.S. Forest Service

About this bridge

Hulm Road over Rice River is a concrete slab carrying Hulm Road over Rice River in St. Louis County, Minnesota. It was built in 1981, so it is 44 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 60 vehicles a day, projected to reach 90 by 2045. The structure is 25 ft (7.6 m) long and 26 ft wide. If it were closed, the detour would be 20.5 mi (33 km).

CarriesHulm Road
CrossesRice River
Location4.6 MI N of JCT Csah 68
RouteFederal Lands Road 256
Coordinates47.69581, -92.56054
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating29.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (1981)
Projected traffic90 by 2045
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed20.5 mi (33 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Hulm Road over Rice River built?

It was built in 1981, making it 44 years old in 2025.

What condition is Hulm Road over Rice River 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 September 2024.

How much traffic does Hulm Road over Rice River carry?

About 60 vehicles per day (1981 count).

How long is Hulm Road over Rice River?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 26 ft wide.

Who owns Hulm Road over Rice River?

It is owned by the U.S. Forest Service.