US Bridges

Twyckenham DR over ST Joseph Rv/Nside Blvd

Fair

St. Joseph County, Indiana · 00.10 N SR 933 · Structure no. 7100088

Built
1929
96 years old, rebuilt 2011
Condition
Fair
inspected September 2024
Type
Arch - Deck
Concrete
Length
434 ft
4 main spans
Daily traffic
7,350
2019 count
Owner
County
County Highway Agency

About this bridge

Twyckenham DR over ST Joseph Rv/Nside Blvd is a concrete arch - deck carrying Twyckenham DR over ST Joseph Rv/Nside Blvd in St. Joseph County, Indiana. It was built in 1929 and reconstructed in 2011, so it is 96 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 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 7,350 vehicles a day, roughly 1% of them trucks, projected to reach 8,969 by 2039. The structure is 434 ft (132.4 m) long and 63 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTwyckenham DR
CrossesST Joseph Rv/Nside Blvd
Location00.10 N SR 933
RouteCity Street 0
CountySt. Joseph County
StateIndiana
Coordinates41.65973, -86.22552
Functional classUrban Minor Arterial

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 protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.9 US tons
Inventory rating35.9 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length434 ft (132.4 m)
Longest span115 ft (35 m)
Deck width63 ft (19.2 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,350 (2019)
Projected traffic8,969 by 2039
Trucks1%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Twyckenham DR over ST Joseph Rv/Nside Blvd built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 2011.

What condition is Twyckenham DR over ST Joseph Rv/Nside Blvd 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 2024.

How much traffic does Twyckenham DR over ST Joseph Rv/Nside Blvd carry?

About 7,350 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is Twyckenham DR over ST Joseph Rv/Nside Blvd?

The structure is 434 ft (132.4 m) long with a longest span of 115 ft (35 m) and a deck 63 ft wide.

Who owns Twyckenham DR over ST Joseph Rv/Nside Blvd?

It is owned by the County Highway Agency.