US Bridges

Lcl-Allis RD over Stream

Poor

Mills County, Iowa · 073441304 · Structure no. 000000000247251

Built
1978
47 years old, rebuilt 1981
Condition
Poor
inspected February 2023
Type
Slab
Wood or Timber
Length
42 ft
2 main spans
Daily traffic
89
2022 count
Owner
County
County Highway Agency

About this bridge

Lcl-Allis RD over Stream is a wood or timber slab carrying Lcl-Allis RD over Stream in Mills County, Iowa. It was built in 1978 and reconstructed in 1981, so it is 47 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 89 vehicles a day, roughly 10% of them trucks, projected to reach 89 by 2043. The structure is 42 ft (12.8 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLcl-Allis RD
CrossesStream
Location073441304
RouteCounty Highway 0
StateIowa
Coordinates41.12075, -95.8448
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46 US tons
Inventory rating32 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span22 ft (6.7 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic89 (2022)
Projected traffic89 by 2043
Trucks10%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lcl-Allis RD over Stream built?

It was built in 1978, making it 47 years old in 2025. It was reconstructed in 1981.

What condition is Lcl-Allis RD over Stream in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2023.

How much traffic does Lcl-Allis RD over Stream carry?

About 89 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Lcl-Allis RD over Stream?

The structure is 42 ft (12.8 m) long with a longest span of 22 ft (6.7 m) and a deck 32 ft wide.

Who owns Lcl-Allis RD over Stream?

It is owned by the County Highway Agency.