US Bridges

Local Road over Tom Creek

PoorClosed to traffic

Lyon County, Iowa · 100453602 · Structure no. 000000000231150

Built
1974
51 years old, rebuilt 2009
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
59 ft
4 main spans
Daily traffic
15
2022 count
Owner
County
County Highway Agency

About this bridge

Local Road over Tom Creek is a wood or timber stringer/multi-beam or girder carrying Local Road over Tom Creek in Lyon County, Iowa. It was built in 1974 and reconstructed in 2009, so it is 51 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 0 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: closed to all traffic.

It carries about 15 vehicles a day, projected to reach 15 by 2044. The structure is 59 ft (18 m) long and 18 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesLocal Road
CrossesTom Creek
Location100453602
RouteCounty Highway 0
CountyLyon County
StateIowa
Coordinates43.44658, -96.11564
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
Deck0 FailedOut of service and beyond corrective action.
Superstructure0 FailedOut of service and beyond corrective action.
Substructure0 FailedOut of service and beyond corrective action.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour above top of footing
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadUnknown
Structure length59 ft (18 m)
Longest span16 ft (4.9 m)
Deck width18 ft (5.4 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2022)
Projected traffic15 by 2044
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 Local Road over Tom Creek built?

It was built in 1974, making it 51 years old in 2025. It was reconstructed in 2009.

What condition is Local Road over Tom 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 Local Road over Tom Creek carry?

About 15 vehicles per day (2022 count).

How long is Local Road over Tom Creek?

The structure is 59 ft (18 m) long with a longest span of 16 ft (4.9 m) and a deck 18 ft wide.

Who owns Local Road over Tom Creek?

It is owned by the County Highway Agency.