US Bridges

County Road 135 over SE Branch Little Heart R

Good

Morton County, North Dakota · 5 South 1 East ST Anthony · Structure no. 000000030159300

Built
1960
65 years old
Condition
Good
inspected May 2024
Type
Channel Beam
Concrete
Length
31 ft
1 main span
Daily traffic
60
2019 count
Owner
County
County Highway Agency

About this bridge

County Road 135 over SE Branch Little Heart R is a concrete channel beam carrying County Road 135 over SE Branch Little Heart R in Morton County, North Dakota. It was built in 1960, so it is 65 years old, older than the North Dakota average of 48.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 60 vehicles a day, roughly 10% of them trucks, projected to reach 120 by 2039. The structure is 31 ft (9.4 m) long and 26 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesCounty Road 135
CrossesSE Branch Little Heart R
Location5 South 1 East ST Anthony
RouteCounty Highway 3063
CountyMorton County
StateNorth Dakota
Coordinates46.54508, -100.87971
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.9 US tons
Inventory rating31.6 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2019)
Projected traffic120 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 County Road 135 over SE Branch Little Heart R built?

It was built in 1960, making it 65 years old in 2025.

What condition is County Road 135 over SE Branch Little Heart R in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does County Road 135 over SE Branch Little Heart R carry?

About 60 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is County Road 135 over SE Branch Little Heart R?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 26 ft wide.

Who owns County Road 135 over SE Branch Little Heart R?

It is owned by the County Highway Agency.