US Bridges

Csah 38 over Elm Creek

PoorPosted for load

Martin County, Minnesota · 0.5 MI E of JCT Csah 21 · Structure no. 46504

Built
1964
61 years old
Condition
Poor
inspected October 2024
Type
Channel Beam
Prestressed Concrete
Length
94 ft
3 main spans
Daily traffic
530
2020 count
Owner
County
County Highway Agency

About this bridge

Csah 38 over Elm Creek is a prestressed concrete channel beam carrying Csah 38 over Elm Creek in Martin County, Minnesota. It was built in 1964, so it is 61 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. Its operating status is: posted for load restriction.

It carries about 530 vehicles a day, projected to reach 710 by 2040. The structure is 94 ft (28.5 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCsah 38
CrossesElm Creek
Location0.5 MI E of JCT Csah 21
RouteCounty Highway 38
Coordinates43.73227, -94.65696
Functional classRural Major 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; extensive scour has occurred
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.6 US tons
Inventory rating19.8 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length94 ft (28.5 m)
Longest span31 ft (9.4 m)
Deck width30 ft (9.2 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic530 (2020)
Projected traffic710 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 38 over Elm Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is Csah 38 over Elm Creek 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 October 2024.

How much traffic does Csah 38 over Elm Creek carry?

About 530 vehicles per day (2020 count).

How long is Csah 38 over Elm Creek?

The structure is 94 ft (28.5 m) long with a longest span of 31 ft (9.4 m) and a deck 30 ft wide.

Who owns Csah 38 over Elm Creek?

It is owned by the County Highway Agency.