US Bridges

Csah 38 over TH 77; SB Off Ramp

Fair

Dakota County, Minnesota · 1.3 MI S of JCT TH 35E · Structure no. 19081

Built
1985
40 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
242 ft
2 main spans
Daily traffic
23,100
2019 count
Owner
State
State Highway Agency

About this bridge

Csah 38 over TH 77; SB Off Ramp is a prestressed concrete stringer/multi-beam or girder carrying Csah 38 over TH 77; SB Off Ramp in Dakota County, Minnesota. It was built in 1985, so it is 40 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 23,100 vehicles a day, roughly 3% of them trucks, projected to reach 25,000 by 2039. The structure is 242 ft (73.9 m) long and 111 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCsah 38
CrossesTH 77; SB Off Ramp
Location1.3 MI S of JCT TH 35E
RouteCounty Highway 38
Coordinates44.7597, -93.21777
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length242 ft (73.9 m)
Longest span127 ft (38.7 m)
Deck width111 ft (33.9 m)
Roadway width96 ft (29.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,100 (2019)
Projected traffic25,000 by 2039
Trucks3%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Csah 38 over TH 77; SB Off Ramp built?

It was built in 1985, making it 40 years old in 2025.

What condition is Csah 38 over TH 77; SB Off Ramp 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 July 2024.

How much traffic does Csah 38 over TH 77; SB Off Ramp carry?

About 23,100 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is Csah 38 over TH 77; SB Off Ramp?

The structure is 242 ft (73.9 m) long with a longest span of 127 ft (38.7 m) and a deck 111 ft wide.

Who owns Csah 38 over TH 77; SB Off Ramp?

It is owned by the State Highway Agency.