US Bridges

FM over Emery Creek

Fair

Lyon County, Iowa · 099443002 · Structure no. 000000000229931

Built
1980
45 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete Continuous
Length
63 ft
5 main spans
Daily traffic
270
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Emery Creek is a concrete continuous culvert carrying FM over Emery Creek in Lyon County, Iowa. It was built in 1980, so it is 45 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.

It carries about 270 vehicles a day, roughly 29% of them trucks, projected to reach 270 by 2043. The structure is 63 ft (19.2 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFM
CrossesEmery Creek
Location099443002
RouteCounty Highway 0
StateIowa
Coordinates43.36962, -96.09648
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.8 US tons
Inventory rating28.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans5
Design loadH 20
Structure length63 ft (19.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic270 (2022)
Projected traffic270 by 2043
Trucks29%
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 FM over Emery Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is FM over Emery 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 2023.

How much traffic does FM over Emery Creek carry?

About 270 vehicles per day (2022 count), of which roughly 29% are trucks.

How long is FM over Emery Creek?

The structure is 63 ft (19.2 m) long with a longest span of 12 ft (3.7 m).

Who owns FM over Emery Creek?

It is owned by the County Highway Agency.