US Bridges

Local over Burnett CR

Good

Marshall County, Iowa · 084170502 · Structure no. 000000000243131

Built
2004
21 years old
Condition
Good
inspected November 2021
Type
Slab
Concrete Continuous
Length
105 ft
3 main spans
Daily traffic
35
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Burnett CR is a concrete continuous slab carrying Local over Burnett CR in Marshall County, Iowa. It was built in 2004, so it is 21 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 35 vehicles a day, projected to reach 35 by 2041. The structure is 105 ft (32 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLocal
CrossesBurnett CR
Location084170502
RouteCounty Highway 0
StateIowa
Coordinates42.10847, -92.86385
Functional classRural Local

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 protection8 Very GoodNo problems noted.
Last inspectionNovember 2021
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.2 US tons
Inventory rating52.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length105 ft (32 m)
Longest span39 ft (11.9 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2022)
Projected traffic35 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 over Burnett CR built?

It was built in 2004, making it 21 years old in 2025.

What condition is Local over Burnett CR 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 2021.

How much traffic does Local over Burnett CR carry?

About 35 vehicles per day (2022 count).

How long is Local over Burnett CR?

The structure is 105 ft (32 m) long with a longest span of 39 ft (11.9 m) and a deck 27 ft wide.

Who owns Local over Burnett CR?

It is owned by the County Highway Agency.