US Bridges

Csah 158 over TH 100

Fair

Hennepin County, Minnesota · 2.2 MI S of JCT TH 7 · Structure no. 27102

Built
1970
55 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
185 ft
2 main spans
Daily traffic
19,510
2021 count
Owner
State
State Highway Agency

About this bridge

Csah 158 over TH 100 is a steel continuous stringer/multi-beam or girder carrying Csah 158 over TH 100 in Hennepin County, Minnesota. It was built in 1970, so it is 55 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 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 19,510 vehicles a day, projected to reach 18,700 by 2041. The structure is 185 ft (56.5 m) long and 75 ft wide.

Location

Open in Google Maps
CarriesCsah 158
CrossesTH 100
Location2.2 MI S of JCT TH 7
RouteCounty Highway 158
CountyHennepin County
StateMinnesota
Coordinates44.91245, -93.35075
Functional classUrban Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating69.1 US tons
Inventory rating41.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length185 ft (56.5 m)
Longest span95 ft (29 m)
Deck width75 ft (22.9 m)
Roadway width58 ft (17.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,510 (2021)
Projected traffic18,700 by 2041
Trucks—
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 158 over TH 100 built?

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

What condition is Csah 158 over TH 100 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 Csah 158 over TH 100 carry?

About 19,510 vehicles per day (2021 count).

How long is Csah 158 over TH 100?

The structure is 185 ft (56.5 m) long with a longest span of 95 ft (29 m) and a deck 75 ft wide.

Who owns Csah 158 over TH 100?

It is owned by the State Highway Agency.