US Bridges

Local Road over Otter Creek

FairPosted for load

Lyon County, Iowa · 098442800 · Structure no. 000000000228391

Built
2010
15 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
78 ft
5 main spans
Daily traffic
35
2022 count
Owner
County
County Highway Agency

About this bridge

Local Road over Otter Creek is a wood or timber stringer/multi-beam or girder carrying Local Road over Otter Creek in Lyon County, Iowa. It was built in 2010, so it is 15 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for other load-capacity restriction.

It carries about 35 vehicles a day, projected to reach 35 by 2044. The structure is 78 ft (23.8 m) long and 20 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesLocal Road
CrossesOtter Creek
Location098442800
RouteCounty Highway 0
CountyLyon County
StateIowa
Coordinates43.28756, -96.05424
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be 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 rating37.8 US tons
Inventory rating30.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans5
Design loadUnknown
Structure length78 ft (23.8 m)
Longest span16 ft (4.9 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2022)
Projected traffic35 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Local Road over Otter Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is Local Road over Otter Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does Local Road over Otter Creek carry?

About 35 vehicles per day (2022 count).

How long is Local Road over Otter Creek?

The structure is 78 ft (23.8 m) long with a longest span of 16 ft (4.9 m) and a deck 20 ft wide.

Who owns Local Road over Otter Creek?

It is owned by the County Highway Agency.