US Bridges

Lambert Ave over Eaton Ditch

Fair

Mills County, Iowa · 0.9 Mi. W of W Jct. I-29 · Structure no. 000000000035741

Built
1986
39 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
468
2022 count
Owner
County
County Highway Agency

About this bridge

Lambert Ave over Eaton Ditch is a concrete continuous culvert carrying Lambert Ave over Eaton Ditch in Mills County, Iowa. It was built in 1986, so it is 39 years old, younger than the Iowa average of 45.5 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.

It carries about 468 vehicles a day, roughly 8% of them trucks, projected to reach 468 by 2043. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 19.9 mi (32 km).

CarriesLambert Ave
CrossesEaton Ditch
Location0.9 Mi. W of W Jct. I-29
RouteCounty Highway 0
StateIowa
Coordinates41.00163, -95.82006
Functional classRural Minor Arterial

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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.5 US tons
Inventory rating39.2 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic468 (2022)
Projected traffic468 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 Lambert Ave over Eaton Ditch built?

It was built in 1986, making it 39 years old in 2025.

What condition is Lambert Ave over Eaton Ditch 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 March 2023.

How much traffic does Lambert Ave over Eaton Ditch carry?

About 468 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Lambert Ave over Eaton Ditch?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns Lambert Ave over Eaton Ditch?

It is owned by the County Highway Agency.