US Bridges

S23 200th Ave over BNSF RR

PoorPosted for load

Lucas County, Iowa · 072221402 · Structure no. 000000000226430

Built
1937
88 years old, rebuilt 1991
Condition
Poor
inspected November 2023
Type
Arch - Deck
Steel
Length
322 ft
1 main span
Daily traffic
1,090
2022 count
Owner
County
County Highway Agency

About this bridge

S23 200th Ave over BNSF RR is a steel arch - deck carrying S23 200th Ave over BNSF RR in Lucas County, Iowa. It was built in 1937 and reconstructed in 1991, so it is 88 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. Its operating status is: posted for load restriction.

It carries about 1,090 vehicles a day, roughly 14% of them trucks, projected to reach 1,090 by 2043. The structure is 322 ft (98.1 m) long and 32 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesS23 200th Ave
CrossesBNSF RR
Location072221402
RouteCounty Highway 0
CountyLucas County
StateIowa
Coordinates41.04016, -93.36583
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
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
Approach roadway alignment7: Better than present minimum criteria
Operating rating39.1 US tons
Inventory rating26.3 US tons

Structure

Structure typeArch - Deck
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+5 approach)
Design loadOther
Structure length322 ft (98.1 m)
Longest span108 ft (32.9 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,090 (2022)
Projected traffic1,090 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was S23 200th Ave over BNSF RR built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1991.

What condition is S23 200th Ave over BNSF RR 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 November 2023.

How much traffic does S23 200th Ave over BNSF RR carry?

About 1,090 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is S23 200th Ave over BNSF RR?

The structure is 322 ft (98.1 m) long with a longest span of 108 ft (32.9 m) and a deck 32 ft wide.

Who owns S23 200th Ave over BNSF RR?

It is owned by the County Highway Agency.