US Bridges

400th ST over Lux Creek

Good

Jackson County, Iowa · 087E30203 · Structure no. 000000000194691

Built
2021
4 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
84 ft
1 main span
Daily traffic
78
2022 count
Owner
County
County Highway Agency

About this bridge

400th ST over Lux Creek is a concrete stringer/multi-beam or girder carrying 400th ST over Lux Creek in Jackson County, Iowa. It was built in 2021, so it is 4 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 78 vehicles a day, projected to reach 78 by 2044. The structure is 84 ft (25.5 m) long and 33 ft wide.

Carries400th ST
CrossesLux Creek
Location087E30203
RouteCounty Highway 0
StateIowa
Coordinates42.38196, -90.57318
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.5 US tons
Inventory rating52.9 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length84 ft (25.5 m)
Longest span80 ft (24.4 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic78 (2022)
Projected traffic78 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 400th ST over Lux Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is 400th ST over Lux 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 2024.

How much traffic does 400th ST over Lux Creek carry?

About 78 vehicles per day (2022 count).

How long is 400th ST over Lux Creek?

The structure is 84 ft (25.5 m) long with a longest span of 80 ft (24.4 m) and a deck 33 ft wide.

Who owns 400th ST over Lux Creek?

It is owned by the County Highway Agency.