US Bridges

CR 500S over Lawson Ditch

Fair

Jay County, Indiana · 0.4 Miles East of Boundar · Structure no. 3800065

Built
1971
54 years old
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
277
2019 count
Owner
County
County Highway Agency

About this bridge

CR 500S over Lawson Ditch is a prestressed concrete box beam or girders - multiple carrying CR 500S over Lawson Ditch in Jay County, Indiana. It was built in 1971, so it is 54 years old, older than the Indiana average of 46.6 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 277 vehicles a day, roughly 6% of them trucks, projected to reach 341 by 2039. The structure is 36 ft (10.9 m) long and 24 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCR 500S
CrossesLawson Ditch
Location0.4 Miles East of Boundar
RouteCounty Highway 24
StateIndiana
Coordinates40.36755, -84.93375
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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 alignment8: Equal to present desirable criteria
Operating rating59.7 US tons
Inventory rating35.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length36 ft (10.9 m)
Longest span30 ft (9 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic277 (2019)
Projected traffic341 by 2039
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 CR 500S over Lawson Ditch built?

It was built in 1971, making it 54 years old in 2025.

What condition is CR 500S over Lawson Ditch 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 November 2023.

How much traffic does CR 500S over Lawson Ditch carry?

About 277 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is CR 500S over Lawson Ditch?

The structure is 36 ft (10.9 m) long with a longest span of 30 ft (9 m) and a deck 24 ft wide.

Who owns CR 500S over Lawson Ditch?

It is owned by the County Highway Agency.