US Bridges

Csah 31 over TH 62

Fair

Hennepin County, Minnesota · 1.7 MI E of JCT TH 100 · Structure no. 27504

Built
1962
63 years old, rebuilt 2014
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
152 ft
2 main spans
Daily traffic
18,623
2021 count
Owner
State
State Highway Agency

About this bridge

Csah 31 over TH 62 is a steel continuous stringer/multi-beam or girder carrying Csah 31 over TH 62 in Hennepin County, Minnesota. It was built in 1962 and reconstructed in 2014, so it is 63 years old, older 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 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 18,623 vehicles a day, roughly 4% of them trucks, projected to reach 17,600 by 2041. The structure is 152 ft (46.4 m) long and 64 ft wide.

CarriesCsah 31
CrossesTH 62
Location1.7 MI E of JCT TH 100
RouteCounty Highway 31
Coordinates44.89083, -93.31881
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.3 US tons
Inventory rating39.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length152 ft (46.4 m)
Longest span74 ft (22.6 m)
Deck width64 ft (19.6 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,623 (2021)
Projected traffic17,600 by 2041
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
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$1,000 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Csah 31 over TH 62 built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2014.

What condition is Csah 31 over TH 62 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 August 2024.

How much traffic does Csah 31 over TH 62 carry?

About 18,623 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Csah 31 over TH 62?

The structure is 152 ft (46.4 m) long with a longest span of 74 ft (22.6 m) and a deck 64 ft wide.

Who owns Csah 31 over TH 62?

It is owned by the State Highway Agency.