US Bridges

Lansing RD over Waterway

Good

Cass County, Iowa · 076373401 · Structure no. 000000000100081

Built
2018
7 years old
Condition
Good
inspected March 2024
Type
Slab
Concrete Continuous
Length
110 ft
3 main spans
Daily traffic
120
2022 count
Owner
County
County Highway Agency

About this bridge

Lansing RD over Waterway is a concrete continuous slab carrying Lansing RD over Waterway in Cass County, Iowa. It was built in 2018, so it is 7 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 120 vehicles a day, roughly 27% of them trucks, projected to reach 120 by 2044. The structure is 110 ft (33.5 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLansing RD
CrossesWaterway
Location076373401
RouteCounty Highway 0
StateIowa
Coordinates41.34609, -95.09807
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating53.9 US tons
Inventory rating41.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length110 ft (33.5 m)
Longest span43 ft (13.1 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2022)
Projected traffic120 by 2044
Trucks27%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$30,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lansing RD over Waterway built?

It was built in 2018, making it 7 years old in 2025.

What condition is Lansing RD over Waterway 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 March 2024.

How much traffic does Lansing RD over Waterway carry?

About 120 vehicles per day (2022 count), of which roughly 27% are trucks.

How long is Lansing RD over Waterway?

The structure is 110 ft (33.5 m) long with a longest span of 43 ft (13.1 m) and a deck 33 ft wide.

Who owns Lansing RD over Waterway?

It is owned by the County Highway Agency.