US Bridges

CH-12 over Otter Pond Drain Dt

Poor

Lawrence County, Illinois · 1.5 MI NE Lawrencevl · Structure no. 051302600000000

Built
1931
94 years old
Condition
Poor
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

CH-12 over Otter Pond Drain Dt is a steel stringer/multi-beam or girder carrying CH-12 over Otter Pond Drain Dt in Lawrence County, Illinois. It was built in 1931, so it is 94 years old, older than the Illinois average of 45.3 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 50 vehicles a day, roughly 6% of them trucks, projected to reach 76 by 2046. The structure is 41 ft (12.6 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCH-12
CrossesOtter Pond Drain Dt
Location1.5 MI NE Lawrencevl
RouteCounty Highway 0
Coordinates38.74283, -87.66301
Functional classRural Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating37.8 US tons
Inventory rating22.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length41 ft (12.6 m)
Longest span40 ft (12.2 m)
Deck width26 ft (8 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic76 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 CH-12 over Otter Pond Drain Dt built?

It was built in 1931, making it 94 years old in 2025.

What condition is CH-12 over Otter Pond Drain Dt 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 January 2024.

How much traffic does CH-12 over Otter Pond Drain Dt carry?

About 50 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is CH-12 over Otter Pond Drain Dt?

The structure is 41 ft (12.6 m) long with a longest span of 40 ft (12.2 m) and a deck 26 ft wide.

Who owns CH-12 over Otter Pond Drain Dt?

It is owned by the County Highway Agency.