US Bridges

Loc 333 Ave over Stream

Poor

Delaware County, Iowa · 087032404 · Structure no. 000000000139371

Built
1975
50 years old
Condition
Poor
inspected March 2024
Type
Tee Beam
Concrete
Length
30 ft
1 main span
Daily traffic
29
2022 count
Owner
County
County Highway Agency

About this bridge

Loc 333 Ave over Stream is a concrete tee beam carrying Loc 333 Ave over Stream in Delaware County, Iowa. It was built in 1975, so it is 50 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 29 vehicles a day, projected to reach 29 by 2044. The structure is 30 ft (9.1 m) long and 26 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesLoc 333 Ave
CrossesStream
Location087032404
RouteCounty Highway 0
CountyDelaware County
StateIowa
Coordinates42.32808, -91.14516
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36.8 US tons
Inventory rating28.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadH 15
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 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 closed2.5 mi (4 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 Loc 333 Ave over Stream built?

It was built in 1975, making it 50 years old in 2025.

What condition is Loc 333 Ave 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 March 2024.

How much traffic does Loc 333 Ave over Stream carry?

About 29 vehicles per day (2022 count).

How long is Loc 333 Ave over Stream?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 26 ft wide.

Who owns Loc 333 Ave over Stream?

It is owned by the County Highway Agency.