Csah 30 over Dnr Trail

Fair

Ramsey County, Minnesota · 0.4 MI E of JCT TH 35E · Structure no. 62554

Built: 1992; 33 years old
Condition: Fair; inspected October 2023
Type: Frame; Concrete
Length: 38 ft; 1 main span
Daily traffic: 11,225; 2022 count
Owner: County; County Highway Agency

About this bridge

Csah 30 over Dnr Trail is a concrete frame carrying Csah 30 over Dnr Trail in Ramsey County, Minnesota. It was built in 1992, so it is 33 years old, younger 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 11,225 vehicles a day, projected to reach 10,600 by 2042. The structure is 38 ft (11.7 m) long and 81 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesCsah 30

CrossesDnr Trail

Location0.4 MI E of JCT TH 35E

RouteCounty Highway 30

CountyRamsey County

StateMinnesota

Coordinates44.9919, -93.08046

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.

Component	Rating	Meaning
Deck	6 Satisfactory	Structural elements show some minor deterioration.
Superstructure	7 Good	Some minor problems.
Substructure	7 Good	Some minor problems.

Last inspectionOctober 2023

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourBridge not over waterway

Structural evaluation7: Better than present minimum criteria

Deck geometry9: Superior to present desirable criteria

Approach roadway alignment7: Better than present minimum criteria

Operating rating109.8 US tons

Inventory rating75.1 US tons

Structure

Structure typeFrame

MaterialConcrete

DeckConcrete, cast-in-place

Main spans1

Design loadHS 25 or greater

Structure length38 ft (11.7 m)

Longest span33 ft (10.2 m)

Deck width81 ft (24.7 m)

Roadway width52 ft (15.9 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,225 (2022)

Projected traffic10,600 by 2042

Trucks—

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesPedestrian / bicycle

Detour if closed1.2 mi (2 km)

TollOn a free road

National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency

Maintained byCounty 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 30 over Dnr Trail built?

It was built in 1992, making it 33 years old in 2025.

What condition is Csah 30 over Dnr Trail 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 October 2023.

How much traffic does Csah 30 over Dnr Trail carry?

About 11,225 vehicles per day (2022 count).

How long is Csah 30 over Dnr Trail?

The structure is 38 ft (11.7 m) long with a longest span of 33 ft (10.2 m) and a deck 81 ft wide.

Who owns Csah 30 over Dnr Trail?

It is owned by the County Highway Agency.