US Bridges

R71G over Lake Babcock/Lake North

Fair

Platte County, Nebraska · 3N Columbus · Structure no. C007103605P

Built
1962
63 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
45 ft
4 main spans
Daily traffic
350
2003 count
Owner
Local
Other Local Agency

About this bridge

R71G over Lake Babcock/Lake North is a concrete culvert carrying R71G over Lake Babcock/Lake North in Platte County, Nebraska. It was built in 1962, so it is 63 years old, older than the Nebraska average of 47.1 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 350 vehicles a day, roughly 10% of them trucks, projected to reach 507 by 2033. The structure is 45 ft (13.7 m) long and 25 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

CarriesR71G
CrossesLake Babcock/Lake North
Location3N Columbus
RouteCounty Highway 0R71G
Coordinates41.4867, -97.3533
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadH 20
Structure length45 ft (13.7 m)
Longest span11 ft (3.4 m)
Deck width25 ft (7.6 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2003)
Projected traffic507 by 2033
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local 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 R71G over Lake Babcock/Lake North built?

It was built in 1962, making it 63 years old in 2025.

What condition is R71G over Lake Babcock/Lake North 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 2024.

How much traffic does R71G over Lake Babcock/Lake North carry?

About 350 vehicles per day (2003 count), of which roughly 10% are trucks.

How long is R71G over Lake Babcock/Lake North?

The structure is 45 ft (13.7 m) long with a longest span of 11 ft (3.4 m) and a deck 25 ft wide.

Who owns R71G over Lake Babcock/Lake North?

It is owned by the Other Local Agency.