US Bridges

Fm- 610th ST over Branch Silver Creek

Good

Cherokee County, Iowa · 090401101 · Structure no. 000000000107261

Built
1995
30 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
1,017
2022 count
Owner
County
County Highway Agency

About this bridge

Fm- 610th ST over Branch Silver Creek is a concrete culvert carrying Fm- 610th ST over Branch Silver Creek in Cherokee County, Iowa. It was built in 1995, so it is 30 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,017 vehicles a day, roughly 18% of them trucks, projected to reach 1,017 by 2043. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFm- 610th ST
CrossesBranch Silver Creek
Location090401101
RouteCounty Highway 0
StateIowa
Coordinates42.63416, -95.53587
Functional classRural Major 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,017 (2022)
Projected traffic1,017 by 2043
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$30,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Fm- 610th ST over Branch Silver Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is Fm- 610th ST over Branch Silver 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 August 2023.

How much traffic does Fm- 610th ST over Branch Silver Creek carry?

About 1,017 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is Fm- 610th ST over Branch Silver Creek?

The structure is 30 ft (9.1 m) long with a longest span of 13 ft (4 m).

Who owns Fm- 610th ST over Branch Silver Creek?

It is owned by the County Highway Agency.