US Bridges

Local over Br Minerva Creek

FairPosted for load

Marshall County, Iowa · 085203202 · Structure no. 000000000244570

Built
1947
78 years old, rebuilt 2005
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
86 ft
3 main spans
Daily traffic
16
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Br Minerva Creek is a steel stringer/multi-beam or girder carrying Local over Br Minerva Creek in Marshall County, Iowa. It was built in 1947 and reconstructed in 2005, so it is 78 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 16 vehicles a day, projected to reach 16 by 2043. The structure is 86 ft (26.2 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesLocal
CrossesBr Minerva Creek
Location085203202
RouteCounty Highway 0
CountyMarshall County
StateIowa
Coordinates42.13508, -93.2142
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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating34.9 US tons
Inventory rating20.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans3
Design loadUnknown
Structure length86 ft (26.2 m)
Longest span41 ft (12.5 m)
Deck width18 ft (5.4 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16 (2022)
Projected traffic16 by 2043
Trucks0%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$889,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Br Minerva Creek built?

It was built in 1947, making it 78 years old in 2025. It was reconstructed in 2005.

What condition is Local over Br Minerva 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 November 2023.

How much traffic does Local over Br Minerva Creek carry?

About 16 vehicles per day (2022 count).

How long is Local over Br Minerva Creek?

The structure is 86 ft (26.2 m) long with a longest span of 41 ft (12.5 m) and a deck 18 ft wide.

Who owns Local over Br Minerva Creek?

It is owned by the County Highway Agency.