US Bridges

Lcl-Donner Ave over Local Creek

FairPosted for load

Mills County, Iowa · 073412305 · Structure no. 000000000246820

Built
1920
105 years old, rebuilt 1967
Condition
Fair
inspected March 2023
Type
Truss - Thru
Steel
Length
82 ft
1 main span
Daily traffic
29
2022 count
Owner
County
County Highway Agency

About this bridge

Lcl-Donner Ave over Local Creek is a steel truss - thru carrying Lcl-Donner Ave over Local Creek in Mills County, Iowa. It was built in 1920 and reconstructed in 1967, so it is 105 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. Its operating status is: posted for load restriction.

It carries about 29 vehicles a day, projected to reach 29 by 2043. The structure is 82 ft (25 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesLcl-Donner Ave
CrossesLocal Creek
Location073412305
RouteCounty Highway 0
CountyMills County
StateIowa
Coordinates41.10948, -95.52266
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.
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 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 statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.3 US tons
Inventory rating15.8 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length82 ft (25 m)
Longest span80 ft (24.4 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29 (2022)
Projected traffic29 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lcl-Donner Ave over Local Creek built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1967.

What condition is Lcl-Donner Ave over Local Creek 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-Donner Ave over Local Creek carry?

About 29 vehicles per day (2022 count).

How long is Lcl-Donner Ave over Local Creek?

The structure is 82 ft (25 m) long with a longest span of 80 ft (24.4 m) and a deck 20 ft wide.

Who owns Lcl-Donner Ave over Local Creek?

It is owned by the County Highway Agency.