US Bridges

Csah 34 over TH 280

Fair

Ramsey County, Minnesota · 0.5 MI N of JCT TH 94 · Structure no. 9472

Built
1971
54 years old, rebuilt 2010
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
186 ft
2 main spans
Daily traffic
14,300
2019 count
Owner
State
State Highway Agency

About this bridge

Csah 34 over TH 280 is a prestressed concrete stringer/multi-beam or girder carrying Csah 34 over TH 280 in Ramsey County, Minnesota. It was built in 1971 and reconstructed in 2010, so it is 54 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 14,300 vehicles a day, projected to reach 15,100 by 2039. The structure is 186 ft (56.8 m) long and 96 ft wide.

Location

Open in Google Maps
CarriesCsah 34
CrossesTH 280
Location0.5 MI N of JCT TH 94
RouteCounty Highway 34
CountyRamsey County
StateMinnesota
Coordinates44.96568, -93.20203
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 inspectionJune 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.9 US tons
Inventory rating19.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length186 ft (56.8 m)
Longest span90 ft (27.4 m)
Deck width96 ft (29.3 m)
Roadway width78 ft (23.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,300 (2019)
Projected traffic15,100 by 2039
Trucks—
Lanes on structure6
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 34 over TH 280 built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2010.

What condition is Csah 34 over TH 280 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 34 over TH 280 carry?

About 14,300 vehicles per day (2019 count).

How long is Csah 34 over TH 280?

The structure is 186 ft (56.8 m) long with a longest span of 90 ft (27.4 m) and a deck 96 ft wide.

Who owns Csah 34 over TH 280?

It is owned by the State Highway Agency.