US Bridges

Nelson Ck RD over Nelson CR

Fair

Linn County, Iowa · 085082703 · Structure no. 000000000222621

Built
2003
22 years old
Condition
Fair
inspected September 2024
Type
Slab
Wood or Timber
Length
45 ft
2 main spans
Daily traffic
39
2022 count
Owner
County
County Highway Agency

About this bridge

Nelson Ck RD over Nelson CR is a wood or timber slab carrying Nelson Ck RD over Nelson CR in Linn County, Iowa. It was built in 2003, so it is 22 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 39 vehicles a day, projected to reach 39 by 2044. The structure is 45 ft (13.7 m) long and 25 ft wide.

CarriesNelson Ck RD
CrossesNelson CR
Location085082703
RouteCounty Highway 0
StateIowa
Coordinates42.15406, -91.75997
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span23 ft (7 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39 (2022)
Projected traffic39 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 Nelson Ck RD over Nelson CR built?

It was built in 2003, making it 22 years old in 2025.

What condition is Nelson Ck RD over Nelson CR 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 September 2024.

How much traffic does Nelson Ck RD over Nelson CR carry?

About 39 vehicles per day (2022 count).

How long is Nelson Ck RD over Nelson CR?

The structure is 45 ft (13.7 m) long with a longest span of 23 ft (7 m) and a deck 25 ft wide.

Who owns Nelson Ck RD over Nelson CR?

It is owned by the County Highway Agency.