US Bridges

Local over Branch Beaver Creek

PoorPosted for load

Grundy County, Iowa · 089170902 · Structure no. 000000000165901

Built
1971
54 years old
Condition
Poor
inspected April 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
47 ft
2 main spans
Daily traffic
29
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Branch Beaver Creek is a wood or timber stringer/multi-beam or girder carrying Local over Branch Beaver Creek in Grundy County, Iowa. It was built in 1971, so it is 54 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 29 vehicles a day, projected to reach 29 by 2044. The structure is 47 ft (14.3 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLocal
CrossesBranch Beaver Creek
Location089170902
RouteCounty Highway 0
StateIowa
Coordinates42.53118, -92.86915
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.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating14.4 US tons
Inventory rating10.4 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length47 ft (14.3 m)
Longest span23 ft (7 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29 (2022)
Projected traffic29 by 2044
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 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 Branch Beaver Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is Local over Branch Beaver 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 April 2024.

How much traffic does Local over Branch Beaver Creek carry?

About 29 vehicles per day (2022 count).

How long is Local over Branch Beaver Creek?

The structure is 47 ft (14.3 m) long with a longest span of 23 ft (7 m) and a deck 24 ft wide.

Who owns Local over Branch Beaver Creek?

It is owned by the County Highway Agency.