US Bridges

LCL-302nd ST over Stream

Fair

Mills County, Iowa · 073413004 · Structure no. 000000000246871

Built
1981
44 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Prestressed Concrete
Length
132 ft
3 main spans
Daily traffic
34
2022 count
Owner
County
County Highway Agency

About this bridge

LCL-302nd ST over Stream is a prestressed concrete tee beam carrying LCL-302nd ST over Stream in Mills County, Iowa. It was built in 1981, so it is 44 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 34 vehicles a day, projected to reach 34 by 2043. The structure is 132 ft (40.2 m) long and 25 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesLCL-302nd ST
CrossesStream
Location073413004
RouteCounty Highway 0
CountyMills County
StateIowa
Coordinates41.09578, -95.60902
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.9 US tons
Inventory rating24.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length132 ft (40.2 m)
Longest span44 ft (13.4 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34 (2022)
Projected traffic34 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 LCL-302nd ST over Stream built?

It was built in 1981, making it 44 years old in 2025.

What condition is LCL-302nd ST over Stream 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 March 2023.

How much traffic does LCL-302nd ST over Stream carry?

About 34 vehicles per day (2022 count).

How long is LCL-302nd ST over Stream?

The structure is 132 ft (40.2 m) long with a longest span of 44 ft (13.4 m) and a deck 25 ft wide.

Who owns LCL-302nd ST over Stream?

It is owned by the County Highway Agency.