US Bridges

SH 361 Ramp 4 over Corpus Christi Ship Chan

Fair

Nueces County, Texas · Harbor Island Ferry · Structure no. 161780226302028

Built
2002
23 years old, rebuilt 2017
Condition
Fair
inspected June 2024
Type
Movable - Lift
Steel
Length
29 ft
1 main span
Daily traffic
5,703
2021 count
Owner
State
State Highway Agency

About this bridge

SH 361 Ramp 4 over Corpus Christi Ship Chan is a steel movable - lift carrying SH 361 Ramp 4 over Corpus Christi Ship Chan in Nueces County, Texas. It was built in 2002 and reconstructed in 2017, so it is 23 years old, younger than the Texas average of 44.4 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 5,703 vehicles a day, roughly 27% of them trucks, projected to reach 7,756 by 2041. The structure is 29 ft (8.7 m) long and 27 ft wide. If it were closed, the detour would be 52.8 mi (85 km).

CarriesSH 361 Ramp 4
CrossesCorpus Christi Ship Chan
LocationHarbor Island Ferry
RouteState Highway 361
StateTexas
Coordinates27.84412, -97.07015
Functional classRural 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
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61 US tons
Inventory rating36 US tons

Structure

Structure typeMovable - Lift
MaterialSteel
DeckOpen grating
Main spans1
Design loadHS 20
Structure length29 ft (8.7 m)
Longest span29 ft (8.7 m)
Deck width27 ft (8.2 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,703 (2021)
Projected traffic7,756 by 2041
Trucks27%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed52.8 mi (85 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SH 361 Ramp 4 over Corpus Christi Ship Chan built?

It was built in 2002, making it 23 years old in 2025. It was reconstructed in 2017.

What condition is SH 361 Ramp 4 over Corpus Christi Ship Chan 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 June 2024.

How much traffic does SH 361 Ramp 4 over Corpus Christi Ship Chan carry?

About 5,703 vehicles per day (2021 count), of which roughly 27% are trucks.

How long is SH 361 Ramp 4 over Corpus Christi Ship Chan?

The structure is 29 ft (8.7 m) long with a longest span of 29 ft (8.7 m) and a deck 27 ft wide.

Who owns SH 361 Ramp 4 over Corpus Christi Ship Chan?

It is owned by the State Highway Agency.