US Bridges

Local over Brush Creek

PoorPosted for load

Marshall County, Iowa · 082172705 · Structure no. 000000000241761

Built
1977
48 years old
Condition
Poor
inspected November 2024
Type
Tee Beam
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
47
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Brush Creek is a prestressed concrete tee beam carrying Local over Brush Creek in Marshall County, Iowa. It was built in 1977, so it is 48 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 3 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. Its operating status is: posted for load restriction.

It carries about 47 vehicles a day, projected to reach 47 by 2044. The structure is 36 ft (11 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLocal
CrossesBrush Creek
Location082172705
RouteCounty Highway 0
StateIowa
Coordinates41.88422, -92.81656
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating5.1 US tons
Inventory rating0 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length36 ft (11 m)
Longest span34 ft (10.4 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47 (2022)
Projected traffic47 by 2044
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Brush Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is Local over Brush Creek 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 November 2024.

How much traffic does Local over Brush Creek carry?

About 47 vehicles per day (2022 count).

How long is Local over Brush Creek?

The structure is 36 ft (11 m) long with a longest span of 34 ft (10.4 m) and a deck 29 ft wide.

Who owns Local over Brush Creek?

It is owned by the County Highway Agency.