US Bridges

FM Timber Ave over Maynes Creek

Poor

Franklin County, Iowa · 091191602 · Structure no. 000000000156850

Built
1955
70 years old
Condition
Poor
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
194 ft
5 main spans
Daily traffic
49
2022 count
Owner
County
County Highway Agency

About this bridge

FM Timber Ave over Maynes Creek is a prestressed concrete stringer/multi-beam or girder carrying FM Timber Ave over Maynes Creek in Franklin County, Iowa. It was built in 1955, so it is 70 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 49 vehicles a day, projected to reach 49 by 2043. The structure is 194 ft (59.1 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFM Timber Ave
CrossesMaynes Creek
Location091191602
RouteCounty Highway 0
StateIowa
Coordinates42.70026, -93.10486
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
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 evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating54.5 US tons
Inventory rating27.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length194 ft (59.1 m)
Longest span44 ft (13.4 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49 (2022)
Projected traffic49 by 2043
Trucks0%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM Timber Ave over Maynes Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is FM Timber Ave over Maynes Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2023.

How much traffic does FM Timber Ave over Maynes Creek carry?

About 49 vehicles per day (2022 count).

How long is FM Timber Ave over Maynes Creek?

The structure is 194 ft (59.1 m) long with a longest span of 44 ft (13.4 m) and a deck 22 ft wide.

Who owns FM Timber Ave over Maynes Creek?

It is owned by the County Highway Agency.