US Bridges

Csah 51 over I 94

Fair

Ramsey County, Minnesota · 1.0 MI E of JCT TH 51 · Structure no. 9383

Built
1961
64 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
214 ft
4 main spans
Daily traffic
28,500
2017 count
Owner
State
State Highway Agency

About this bridge

Csah 51 over I 94 is a steel continuous stringer/multi-beam or girder carrying Csah 51 over I 94 in Ramsey County, Minnesota. It was built in 1961, so it is 64 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 28,500 vehicles a day, projected to reach 28,500 by 2039. The structure is 214 ft (65.2 m) long and 132 ft wide.

CarriesCsah 51
CrossesI 94
Location1.0 MI E of JCT TH 51
RouteCounty Highway 51
Coordinates44.95179, -93.14666
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.4 US tons
Inventory rating42.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length214 ft (65.2 m)
Longest span72 ft (21.8 m)
Deck width132 ft (40.3 m)
Roadway width106 ft (32.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,500 (2017)
Projected traffic28,500 by 2039
Trucks—
Lanes on structure8
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Csah 51 over I 94 built?

It was built in 1961, making it 64 years old in 2025.

What condition is Csah 51 over I 94 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 June 2024.

How much traffic does Csah 51 over I 94 carry?

About 28,500 vehicles per day (2017 count).

How long is Csah 51 over I 94?

The structure is 214 ft (65.2 m) long with a longest span of 72 ft (21.8 m) and a deck 132 ft wide.

Who owns Csah 51 over I 94?

It is owned by the State Highway Agency.