US Bridges

FM over Halbur CR Trib to Brushy

Good

Carroll County, Iowa · 083 35 18 13 · Structure no. 000000000094681

Built
2010
15 years old
Condition
Good
inspected November 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
71 ft
1 main span
Daily traffic
477
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Halbur CR Trib to Brushy is a prestressed concrete stringer/multi-beam or girder carrying FM over Halbur CR Trib to Brushy in Carroll 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 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 477 vehicles a day, roughly 14% of them trucks, projected to reach 477 by 2043. The structure is 71 ft (21.6 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFM
CrossesHalbur CR Trib to Brushy
Location083 35 18 13
RouteCounty Highway 0
StateIowa
Coordinates42.00415, -94.97086
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.6 US tons
Inventory rating45.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length71 ft (21.6 m)
Longest span68 ft (20.6 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic477 (2022)
Projected traffic477 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Halbur CR Trib to Brushy built?

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

What condition is FM over Halbur CR Trib to Brushy 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 November 2022.

How much traffic does FM over Halbur CR Trib to Brushy carry?

About 477 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is FM over Halbur CR Trib to Brushy?

The structure is 71 ft (21.6 m) long with a longest span of 68 ft (20.6 m) and a deck 33 ft wide.

Who owns FM over Halbur CR Trib to Brushy?

It is owned by the County Highway Agency.