US Bridges

430th RD over Loup River Canal

FairPosted for load

Platte County, Nebraska · 3.7W .2N of Monroe · Structure no. C007111705

Built
1935
90 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
136 ft
4 main spans
Daily traffic
25
2003 count
Owner
Local
Other Local Agency

About this bridge

430th RD over Loup River Canal is a steel stringer/multi-beam or girder carrying 430th RD over Loup River Canal in Platte County, Nebraska. It was built in 1935, so it is 90 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 25 vehicles a day, projected to reach 36 by 2033. The structure is 136 ft (41.5 m) long and 16 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Carries430th RD
CrossesLoup River Canal
Location3.7W .2N of Monroe
RouteCounty Highway 117
Coordinates41.4793, -97.6765
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating38.6 US tons
Inventory rating23.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length136 ft (41.5 m)
Longest span47 ft (14.3 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2003)
Projected traffic36 by 2033
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 430th RD over Loup River Canal built?

It was built in 1935, making it 90 years old in 2025.

What condition is 430th RD over Loup River Canal 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 430th RD over Loup River Canal carry?

About 25 vehicles per day (2003 count).

How long is 430th RD over Loup River Canal?

The structure is 136 ft (41.5 m) long with a longest span of 47 ft (14.3 m) and a deck 16 ft wide.

Who owns 430th RD over Loup River Canal?

It is owned by the Other Local Agency.