US Bridges

Lewis Access RD over Cedar River

Fair

Linn County, Iowa · 085082004 · Structure no. 000000000222560

Built
1961
64 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,036 ft
11 main spans
Daily traffic
1,866
2022 count
Owner
County
County Highway Agency

About this bridge

Lewis Access RD over Cedar River is a steel continuous stringer/multi-beam or girder carrying Lewis Access RD over Cedar River in Linn County, Iowa. It was built in 1961, so it is 64 years old, older 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 5 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 1,866 vehicles a day, roughly 12% of them trucks, projected to reach 1,866 by 2044. The structure is 1,036 ft (315.8 m) long and 32 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesLewis Access RD
CrossesCedar River
Location085082004
RouteCounty Highway 0
CountyLinn County
StateIowa
Coordinates42.16034, -91.81025
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating51 US tons
Inventory rating39.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans11
Design loadH 20
Structure length1,036 ft (315.8 m)
Longest span98 ft (29.9 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,866 (2022)
Projected traffic1,866 by 2044
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 Lewis Access RD over Cedar River built?

It was built in 1961, making it 64 years old in 2025.

What condition is Lewis Access RD over Cedar River 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 Lewis Access RD over Cedar River carry?

About 1,866 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is Lewis Access RD over Cedar River?

The structure is 1,036 ft (315.8 m) long with a longest span of 98 ft (29.9 m) and a deck 32 ft wide.

Who owns Lewis Access RD over Cedar River?

It is owned by the County Highway Agency.