US Bridges

Westport Road over Flag Run

Fair

Clark County, Indiana · 00.00 S of Tunnel Mill Ro · Structure no. 1000034

Built
1950
75 years old, rebuilt 1994
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
30 ft
2 main spans
Daily traffic
740
2018 count
Owner
County
County Highway Agency

About this bridge

Westport Road over Flag Run is a steel continuous stringer/multi-beam or girder carrying Westport Road over Flag Run in Clark County, Indiana. It was built in 1950 and reconstructed in 1994, so it is 75 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 740 vehicles a day, roughly 3% of them trucks, projected to reach 1,290 by 2038. The structure is 30 ft (9.2 m) long and 21 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesWestport Road
CrossesFlag Run
Location00.00 S of Tunnel Mill Ro
RouteCounty Highway 0
StateIndiana
Coordinates38.53072, -85.55244
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92.7 US tons
Inventory rating55.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length30 ft (9.2 m)
Longest span13 ft (4.1 m)
Deck width21 ft (6.5 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic740 (2018)
Projected traffic1,290 by 2038
Trucks3%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$350,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Westport Road over Flag Run built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1994.

What condition is Westport Road over Flag Run 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 Westport Road over Flag Run carry?

About 740 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is Westport Road over Flag Run?

The structure is 30 ft (9.2 m) long with a longest span of 13 ft (4.1 m) and a deck 21 ft wide.

Who owns Westport Road over Flag Run?

It is owned by the County Highway Agency.