US Bridges

2nd Ave S over Des Moines River

Fair

Webster County, Iowa · 0.6 Mi. S of N JCT US 169 · Structure no. 000000000052300

Built
1959
66 years old, rebuilt 1973
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,209 ft
8 main spans
Daily traffic
3,050
2022 count
Owner
State
State Highway Agency

About this bridge

2nd Ave S over Des Moines River is a steel continuous stringer/multi-beam or girder carrying 2nd Ave S over Des Moines River in Webster County, Iowa. It was built in 1959 and reconstructed in 1973, so it is 66 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.

It carries about 3,050 vehicles a day, projected to reach 3,050 by 2043. The structure is 1,209 ft (368.5 m) long and 66 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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Carries2nd Ave S
CrossesDes Moines River
Location0.6 Mi. S of N JCT US 169
RouteCity Street 0
CountyWebster County
StateIowa
Coordinates42.50128, -94.20209
Functional classUrban Other Principal Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.8 US tons
Inventory rating23.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans8 (+3 approach)
Design loadH 20
Structure length1,209 ft (368.5 m)
Longest span153 ft (46.6 m)
Deck width66 ft (20 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,050 (2022)
Projected traffic3,050 by 2043
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 2nd Ave S over Des Moines River built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1973.

What condition is 2nd Ave S over Des Moines River 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 October 2023.

How much traffic does 2nd Ave S over Des Moines River carry?

About 3,050 vehicles per day (2022 count).

How long is 2nd Ave S over Des Moines River?

The structure is 1,209 ft (368.5 m) long with a longest span of 153 ft (46.6 m) and a deck 66 ft wide.

Who owns 2nd Ave S over Des Moines River?

It is owned by the State Highway Agency.