US Bridges

Hanover RD over Judith River

Fair

Fergus County, Montana · 5M NE Kolin · Structure no. S00426015+00191

Built
1970
55 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
228 ft
3 main spans
Daily traffic
114
2023 count
Owner
State
State Highway Agency

About this bridge

Hanover RD over Judith River is a prestressed concrete stringer/multi-beam or girder carrying Hanover RD over Judith River in Fergus County, Montana. It was built in 1970, so it is 55 years old, older than the Montana average of 47 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 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 114 vehicles a day, roughly 6% of them trucks, projected to reach 120 by 2043. The structure is 228 ft (69.5 m) long and 33 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesHanover RD
CrossesJudith River
Location5M NE Kolin
RouteState Highway 426
StateMontana
Coordinates47.12451, -109.67931
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating27 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length228 ft (69.5 m)
Longest span77 ft (23.5 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic114 (2023)
Projected traffic120 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Hanover RD over Judith River built?

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

What condition is Hanover RD over Judith 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 November 2024.

How much traffic does Hanover RD over Judith River carry?

About 114 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Hanover RD over Judith River?

The structure is 228 ft (69.5 m) long with a longest span of 77 ft (23.5 m) and a deck 33 ft wide.

Who owns Hanover RD over Judith River?

It is owned by the State Highway Agency.