US Bridges

CR 100 North over Loon Creek

PoorPosted for load

Huntington County, Indiana · 0.1 MI W of CR 975 W · Structure no. 3500091

Built
1973
52 years old
Condition
Poor
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
62 ft
3 main spans
Daily traffic
157
2021 count
Owner
County
County Highway Agency

About this bridge

CR 100 North over Loon Creek is a prestressed concrete box beam or girders - multiple carrying CR 100 North over Loon Creek in Huntington County, Indiana. It was built in 1973, so it is 52 years old, older 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: posted for load restriction.

It carries about 157 vehicles a day, roughly 2% of them trucks, projected to reach 236 by 2041. The structure is 62 ft (18.8 m) long and 28 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCR 100 North
CrossesLoon Creek
Location0.1 MI W of CR 975 W
RouteCounty Highway 114
StateIndiana
Coordinates40.84373, -85.64012
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
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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.7 US tons
Inventory rating23.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadUnknown
Structure length62 ft (18.8 m)
Longest span23 ft (7 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic157 (2021)
Projected traffic236 by 2041
Trucks2%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.8 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 100 North over Loon Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is CR 100 North over Loon 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 100 North over Loon Creek carry?

About 157 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is CR 100 North over Loon Creek?

The structure is 62 ft (18.8 m) long with a longest span of 23 ft (7 m) and a deck 28 ft wide.

Who owns CR 100 North over Loon Creek?

It is owned by the County Highway Agency.