US Bridges

Etna Road over Loon Creek

Fair

Huntington County, Indiana · 0.1 MI N of SR 9 · Structure no. 3500112

Built
2001
24 years old
Condition
Fair
inspected September 2023
Type
Slab
Wood or Timber
Length
50 ft
3 main spans
Daily traffic
1,471
2021 count
Owner
County
County Highway Agency

About this bridge

Etna Road over Loon Creek is a wood or timber slab carrying Etna Road over Loon Creek in Huntington County, Indiana. It was built in 2001, so it is 24 years old, younger 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 6 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 1,471 vehicles a day, roughly 5% of them trucks, projected to reach 2,207 by 2041. The structure is 50 ft (15.2 m) long and 26 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesEtna Road
CrossesLoon Creek
Location0.1 MI N of SR 9
RouteCity Street 0
StateIndiana
Coordinates40.84215, -85.52659
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
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 rating49.3 US tons
Inventory rating38.3 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span26 ft (7.9 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,471 (2021)
Projected traffic2,207 by 2041
Trucks5%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 Etna Road over Loon Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is Etna Road over Loon Creek 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 September 2023.

How much traffic does Etna Road over Loon Creek carry?

About 1,471 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Etna Road over Loon Creek?

The structure is 50 ft (15.2 m) long with a longest span of 26 ft (7.9 m) and a deck 26 ft wide.

Who owns Etna Road over Loon Creek?

It is owned by the County Highway Agency.