US Bridges

Local over Flint Creek

Fair

Des Moines County, Iowa · 070031607 · Structure no. 000000000143141

Built
1983
42 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete Continuous
Length
154 ft
4 main spans
Daily traffic
390
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Flint Creek is a concrete continuous slab carrying Local over Flint Creek in Des Moines County, Iowa. It was built in 1983, so it is 42 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 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 390 vehicles a day, roughly 17% of them trucks, projected to reach 390 by 2043. The structure is 154 ft (46.9 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLocal
CrossesFlint Creek
Location070031607
RouteCounty Highway 0
StateIowa
Coordinates40.86663, -91.2012
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating80.5 US tons
Inventory rating48.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length154 ft (46.9 m)
Longest span42 ft (12.8 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic390 (2022)
Projected traffic390 by 2043
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Flint Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Local over Flint 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 Local over Flint Creek carry?

About 390 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is Local over Flint Creek?

The structure is 154 ft (46.9 m) long with a longest span of 42 ft (12.8 m) and a deck 32 ft wide.

Who owns Local over Flint Creek?

It is owned by the County Highway Agency.