US Bridges

Msas 135 over Elton Hills Ravine

Poor

Olmsted County, Minnesota · 0.3 MI S of JCT Csah 22 · Structure no. R0609

Built
1977
48 years old
Condition
Poor
inspected July 2024
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
3,650
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

Msas 135 over Elton Hills Ravine is a concrete culvert carrying Msas 135 over Elton Hills Ravine in Olmsted County, Minnesota. It was built in 1977, so it is 48 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 3,650 vehicles a day, projected to reach 3,650 by 2039. The structure is 30 ft (9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMsas 135
CrossesElton Hills Ravine
Location0.3 MI S of JCT Csah 22
RouteCity Street 135
Coordinates44.05606, -92.47601
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating46.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length30 ft (9 m)
Longest span13 ft (4.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,650 (2016)
Projected traffic3,650 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Msas 135 over Elton Hills Ravine built?

It was built in 1977, making it 48 years old in 2025.

What condition is Msas 135 over Elton Hills Ravine in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does Msas 135 over Elton Hills Ravine carry?

About 3,650 vehicles per day (2016 count).

How long is Msas 135 over Elton Hills Ravine?

The structure is 30 ft (9 m) long with a longest span of 13 ft (4.1 m).

Who owns Msas 135 over Elton Hills Ravine?

It is owned by the City or Municipal Highway Agency.