US Bridges

FM C-70 over Elliot Creek

Good

Plymouth County, Iowa · 090453501 · Structure no. 000000000271571

Built
1999
26 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
450
2022 count
Owner
County
County Highway Agency

About this bridge

FM C-70 over Elliot Creek is a concrete culvert carrying FM C-70 over Elliot Creek in Plymouth County, Iowa. It was built in 1999, so it is 26 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 450 vehicles a day, projected to reach 450 by 2044. The structure is 27 ft (8.2 m) long.

CarriesFM C-70
CrossesElliot Creek
Location090453501
RouteCounty Highway 0
StateIowa
Coordinates42.57571, -96.13194
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.9 US tons
Inventory rating43.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.2 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 traffic450 (2022)
Projected traffic450 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM C-70 over Elliot Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is FM C-70 over Elliot Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does FM C-70 over Elliot Creek carry?

About 450 vehicles per day (2022 count).

How long is FM C-70 over Elliot Creek?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m).

Who owns FM C-70 over Elliot Creek?

It is owned by the County Highway Agency.