US Bridges

CR 535W over Big Slough Creek

PoorClosed to traffic

Clay County, Indiana · 00.10 N of CR 600 S · Structure no. 1100149

Built
1982
43 years old
Condition
Poor
inspected September 2024
Type
Slab
Wood or Timber
Length
96 ft
3 main spans
Daily traffic
119
2022 count
Owner
County
County Highway Agency

About this bridge

CR 535W over Big Slough Creek is a wood or timber slab carrying CR 535W over Big Slough Creek in Clay County, Indiana. It was built in 1982, so it is 43 years old, younger than the Indiana average of 46.6 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: closed to all traffic.

It carries about 119 vehicles a day, roughly 4% of them trucks, projected to reach 150 by 2042. The structure is 96 ft (29.2 m) long and 22 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCR 535W
CrossesBig Slough Creek
Location00.10 N of CR 600 S
RouteCounty Highway 32
StateIndiana
Coordinates39.30252, -87.20987
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.
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusClosed to all traffic
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.5 US tons
Inventory rating41.2 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length96 ft (29.2 m)
Longest span32 ft (9.7 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic119 (2022)
Projected traffic150 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$378,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 535W over Big Slough Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is CR 535W over Big Slough 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 September 2024.

How much traffic does CR 535W over Big Slough Creek carry?

About 119 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is CR 535W over Big Slough Creek?

The structure is 96 ft (29.2 m) long with a longest span of 32 ft (9.7 m) and a deck 22 ft wide.

Who owns CR 535W over Big Slough Creek?

It is owned by the County Highway Agency.