US Bridges

287th ST over Lytle Creek

PoorPosted for load

Jackson County, Iowa · 086E20603 · Structure no. 000000000194120

Built
1986
39 years old
Condition
Poor
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
20 ft
1 main span
Daily traffic
40
2021 count
Owner
County
County Highway Agency

About this bridge

287th ST over Lytle Creek is a steel stringer/multi-beam or girder carrying 287th ST over Lytle Creek in Jackson 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 40 vehicles a day, projected to reach 40 by 2044. The structure is 20 ft (6.1 m) long and 22 ft wide.

Location

Open in Google Maps
Carries287th ST
CrossesLytle Creek
Location086E20603
RouteCounty Highway 0
CountyJackson County
StateIowa
Coordinates42.28209, -90.76433
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating61.2 US tons
Inventory rating45.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length20 ft (6.1 m)
Longest span19 ft (5.8 m)
Deck width22 ft (6.7 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2021)
Projected traffic40 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 287th ST over Lytle Creek built?

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

What condition is 287th ST over Lytle Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does 287th ST over Lytle Creek carry?

About 40 vehicles per day (2021 count).

How long is 287th ST over Lytle Creek?

The structure is 20 ft (6.1 m) long with a longest span of 19 ft (5.8 m) and a deck 22 ft wide.

Who owns 287th ST over Lytle Creek?

It is owned by the County Highway Agency.