US Bridges

US 20 EB over Fritz Creek

Fair

Ida County, Iowa · 3.4 Mi. E of Jct. US 59 · Structure no. 000000000029092

Built
2018
7 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
257 ft
3 main spans
Daily traffic
2,550
2022 count
Owner
State
State Highway Agency

About this bridge

US 20 EB over Fritz Creek is a prestressed concrete stringer/multi-beam or girder carrying US 20 EB over Fritz Creek in Ida County, Iowa. It was built in 2018, so it is 7 years old, younger 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 6 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 2,550 vehicles a day, roughly 33% of them trucks, projected to reach 2,550 by 2042. The structure is 257 ft (78.4 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 20 EB
CrossesFritz Creek
Location3.4 Mi. E of Jct. US 59
RouteU.S. Route 20
StateIowa
Coordinates42.47477, -95.45134
Functional classRural Principal Arterial - Other

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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length257 ft (78.4 m)
Longest span111 ft (33.8 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,550 (2022)
Projected traffic2,550 by 2042
Trucks33%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
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 US 20 EB over Fritz Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is US 20 EB over Fritz 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 September 2023.

How much traffic does US 20 EB over Fritz Creek carry?

About 2,550 vehicles per day (2022 count), of which roughly 33% are trucks.

How long is US 20 EB over Fritz Creek?

The structure is 257 ft (78.4 m) long with a longest span of 111 ft (33.8 m) and a deck 43 ft wide.

Who owns US 20 EB over Fritz Creek?

It is owned by the State Highway Agency.