US Bridges

US 169 over Deer Creek

Fair

Webster County, Iowa · 0.8 Mi. N of SR C66 · Structure no. 000000000052240

Built
1958
67 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
145 ft
3 main spans
Daily traffic
4,680
2022 count
Owner
State
State Highway Agency

About this bridge

US 169 over Deer Creek is a prestressed concrete stringer/multi-beam or girder carrying US 169 over Deer Creek in Webster County, Iowa. It was built in 1958, so it is 67 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 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 4,680 vehicles a day, roughly 20% of them trucks, projected to reach 4,680 by 2042. The structure is 145 ft (44.2 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS 169
CrossesDeer Creek
Location0.8 Mi. N of SR C66
RouteU.S. Route 169
StateIowa
Coordinates42.59936, -94.22921
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.9 US tons
Inventory rating31.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length145 ft (44.2 m)
Longest span56 ft (17.1 m)
Deck width36 ft (11 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,680 (2022)
Projected traffic4,680 by 2042
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 169 over Deer Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is US 169 over Deer 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 May 2023.

How much traffic does US 169 over Deer Creek carry?

About 4,680 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is US 169 over Deer Creek?

The structure is 145 ft (44.2 m) long with a longest span of 56 ft (17.1 m) and a deck 36 ft wide.

Who owns US 169 over Deer Creek?

It is owned by the State Highway Agency.