US Bridges

Lambert Ave over Pony Creek

Good

Mills County, Iowa · 0.5 Mi. W of W JCT I-29 · Structure no. 000000000035750

Built
1931
94 years old, rebuilt 1986
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
55 ft
1 main span
Daily traffic
468
2022 count
Owner
County
County Highway Agency

About this bridge

Lambert Ave over Pony Creek is a steel stringer/multi-beam or girder carrying Lambert Ave over Pony Creek in Mills County, Iowa. It was built in 1931 and reconstructed in 1986, so it is 94 years old, older 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 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 468 vehicles a day, roughly 8% of them trucks, projected to reach 468 by 2043. The structure is 55 ft (16.8 m) long and 43 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesLambert Ave
CrossesPony Creek
Location0.5 Mi. W of W JCT I-29
RouteCounty Highway 0
StateIowa
Coordinates41.00167, -95.81166
Functional classRural Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating48.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length55 ft (16.8 m)
Longest span50 ft (15.2 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lambert Ave over Pony Creek built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1986.

What condition is Lambert Ave over Pony Creek 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 2023.

How much traffic does Lambert Ave over Pony Creek carry?

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

How long is Lambert Ave over Pony Creek?

The structure is 55 ft (16.8 m) long with a longest span of 50 ft (15.2 m) and a deck 43 ft wide.

Who owns Lambert Ave over Pony Creek?

It is owned by the County Highway Agency.