US Bridges

FM RD F16 over Moser Creek

Fair

Shelby County, Iowa · 081392004 · Structure no. 000000000307621

Built
1981
44 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete Continuous
Length
128 ft
3 main spans
Daily traffic
159
2022 count
Owner
County
County Highway Agency

About this bridge

FM RD F16 over Moser Creek is a concrete continuous slab carrying FM RD F16 over Moser Creek in Shelby County, Iowa. It was built in 1981, so it is 44 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 159 vehicles a day, roughly 17% of them trucks, projected to reach 159 by 2044. The structure is 128 ft (39 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFM RD F16
CrossesMoser Creek
Location081392004
RouteCounty Highway 0
StateIowa
Coordinates41.80588, -95.42185
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length128 ft (39 m)
Longest span49 ft (14.9 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic159 (2022)
Projected traffic159 by 2044
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 FM RD F16 over Moser Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is FM RD F16 over Moser 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 March 2024.

How much traffic does FM RD F16 over Moser Creek carry?

About 159 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is FM RD F16 over Moser Creek?

The structure is 128 ft (39 m) long with a longest span of 49 ft (14.9 m) and a deck 33 ft wide.

Who owns FM RD F16 over Moser Creek?

It is owned by the County Highway Agency.