US Bridges

SH 242 EB over San Jacinto Ri E Rel

Good

Montgomery County, Texas · 4.20 MI E of IH 45 · Structure no. 121700353801011

Built
1994
31 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
500 ft
5 main spans
Daily traffic
47,121
2023 count
Owner
State
State Highway Agency

About this bridge

SH 242 EB over San Jacinto Ri E Rel is a prestressed concrete stringer/multi-beam or girder carrying SH 242 EB over San Jacinto Ri E Rel in Montgomery County, Texas. It was built in 1994, so it is 31 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 47,121 vehicles a day, roughly 2% of them trucks, projected to reach 65,969 by 2042. The structure is 500 ft (152.4 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 242 EB
CrossesSan Jacinto Ri E Rel
Location4.20 MI E of IH 45
RouteState Highway 242
StateTexas
Coordinates30.21465, -95.38746
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length500 ft (152.4 m)
Longest span100 ft (30.5 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47,121 (2023)
Projected traffic65,969 by 2042
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed1.2 mi (2 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 242 EB over San Jacinto Ri E Rel built?

It was built in 1994, making it 31 years old in 2025.

What condition is SH 242 EB over San Jacinto Ri E Rel in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does SH 242 EB over San Jacinto Ri E Rel carry?

About 47,121 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is SH 242 EB over San Jacinto Ri E Rel?

The structure is 500 ft (152.4 m) long with a longest span of 100 ft (30.5 m) and a deck 45 ft wide.

Who owns SH 242 EB over San Jacinto Ri E Rel?

It is owned by the State Highway Agency.