US Bridges

Lilac Ave over Beaver Creek

Good

Howard County, Iowa · 099130102 · Structure no. 000000000183141

Built
2020
5 years old
Condition
Good
inspected April 2024
Type
Culvert
Steel
Length
57 ft
4 main spans
Daily traffic
29
2022 count
Owner
County
County Highway Agency

About this bridge

Lilac Ave over Beaver Creek is a steel culvert carrying Lilac Ave over Beaver Creek in Howard County, Iowa. It was built in 2020, so it is 5 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 29 vehicles a day, projected to reach 29 by 2044. The structure is 57 ft (17.3 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesLilac Ave
CrossesBeaver Creek
Location099130102
RouteCounty Highway 0
CountyHoward County
StateIowa
Coordinates43.42432, -92.33614
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadUnknown
Structure length57 ft (17.3 m)
Longest span10 ft (3.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29 (2022)
Projected traffic29 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Lilac Ave over Beaver Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is Lilac Ave over Beaver 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 April 2024.

How much traffic does Lilac Ave over Beaver Creek carry?

About 29 vehicles per day (2022 count).

How long is Lilac Ave over Beaver Creek?

The structure is 57 ft (17.3 m) long with a longest span of 10 ft (3.1 m).

Who owns Lilac Ave over Beaver Creek?

It is owned by the County Highway Agency.