US Bridges

H38 220th ST over Lawrence Creek

Good

Henry County, Iowa · 071050501 · Structure no. 000000000180301

Built
2022
3 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete Continuous
Length
29 ft
2 main spans
Daily traffic
960
2022 count
Owner
County
County Highway Agency

About this bridge

H38 220th ST over Lawrence Creek is a concrete continuous culvert carrying H38 220th ST over Lawrence Creek in Henry County, Iowa. It was built in 2022, so it is 3 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 960 vehicles a day, projected to reach 960 by 2043. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesH38 220th ST
CrossesLawrence Creek
Location071050501
RouteCounty Highway 0
StateIowa
Coordinates40.98767, -91.45279
Functional classRural Major Collector

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.
Culvert9 ExcellentNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.7 US tons
Inventory rating38.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHL 93
Structure length29 ft (8.8 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic960 (2022)
Projected traffic960 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was H38 220th ST over Lawrence Creek built?

It was built in 2022, making it 3 years old in 2025.

What condition is H38 220th ST over Lawrence 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 February 2023.

How much traffic does H38 220th ST over Lawrence Creek carry?

About 960 vehicles per day (2022 count).

How long is H38 220th ST over Lawrence Creek?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.3 m).

Who owns H38 220th ST over Lawrence Creek?

It is owned by the County Highway Agency.