US Bridges

New Market Road over Henthorn Branch

Fair

Clark County, Indiana · 00.40 NE of Yount Road · Structure no. 1000023

Built
1987
38 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
38 ft
1 main span
Daily traffic
410
2018 count
Owner
County
County Highway Agency

About this bridge

New Market Road over Henthorn Branch is a steel stringer/multi-beam or girder carrying New Market Road over Henthorn Branch in Clark County, Indiana. It was built in 1987, so it is 38 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 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 410 vehicles a day, roughly 4% of them trucks, projected to reach 710 by 2038. The structure is 38 ft (11.6 m) long and 23 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesNew Market Road
CrossesHenthorn Branch
Location00.40 NE of Yount Road
RouteCounty Highway 0
CountyClark County
StateIndiana
Coordinates38.52662, -85.6321
Functional classRural Minor 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.
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 protection7 GoodSome minor problems.
Last inspectionMarch 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating100 US tons
Inventory rating64.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length38 ft (11.6 m)
Longest span36 ft (11.1 m)
Deck width23 ft (7.1 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic410 (2018)
Projected traffic710 by 2038
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 New Market Road over Henthorn Branch built?

It was built in 1987, making it 38 years old in 2025.

What condition is New Market Road over Henthorn Branch 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 March 2024.

How much traffic does New Market Road over Henthorn Branch carry?

About 410 vehicles per day (2018 count), of which roughly 4% are trucks.

How long is New Market Road over Henthorn Branch?

The structure is 38 ft (11.6 m) long with a longest span of 36 ft (11.1 m) and a deck 23 ft wide.

Who owns New Market Road over Henthorn Branch?

It is owned by the County Highway Agency.