US Bridges

W Indiana Ave over Rio Grande Creek

PoorPosted for load

Lyon County, Iowa · 098440209 · Structure no. 000000000005490

Built
1940
85 years old
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
23 ft
1 main span
Daily traffic
232
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

W Indiana Ave over Rio Grande Creek is a steel stringer/multi-beam or girder carrying W Indiana Ave over Rio Grande Creek in Lyon County, Iowa. It was built in 1940, so it is 85 years old, older 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 232 vehicles a day, projected to reach 232 by 2044. The structure is 23 ft (7 m) long and 20 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesW Indiana Ave
CrossesRio Grande Creek
Location098440209
RouteCity Street 0
StateIowa
Coordinates43.34146, -96.00503
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating29.7 US tons
Inventory rating15.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span18 ft (5.5 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic232 (2022)
Projected traffic232 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$155,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was W Indiana Ave over Rio Grande Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is W Indiana Ave over Rio Grande 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 July 2024.

How much traffic does W Indiana Ave over Rio Grande Creek carry?

About 232 vehicles per day (2022 count).

How long is W Indiana Ave over Rio Grande Creek?

The structure is 23 ft (7 m) long with a longest span of 18 ft (5.5 m) and a deck 20 ft wide.

Who owns W Indiana Ave over Rio Grande Creek?

It is owned by the City or Municipal Highway Agency.