US Bridges

IH 45 Sbfr over W Fk San Jacinto S Rel

Fair

Montgomery County, Texas · 0.20 MI N of FM 1488 · Structure no. 121700011004167

Built
1997
28 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
243 ft
4 main spans
Daily traffic
4,707
2023 count
Owner
State
State Highway Agency

About this bridge

IH 45 Sbfr over W Fk San Jacinto S Rel is a prestressed concrete stringer/multi-beam or girder carrying IH 45 Sbfr over W Fk San Jacinto S Rel in Montgomery County, Texas. It was built in 1997, so it is 28 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 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 4,707 vehicles a day, roughly 4% of them trucks, projected to reach 6,590 by 2042. The structure is 243 ft (74.1 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIH 45 Sbfr
CrossesW Fk San Jacinto S Rel
Location0.20 MI N of FM 1488
RouteInterstate 45
CountyMontgomery County
StateTexas
Coordinates30.23913, -95.45901
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length243 ft (74.1 m)
Longest span61 ft (18.6 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,707 (2023)
Projected traffic6,590 by 2042
Trucks4%
Lanes on structure3
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$24,000
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 45 Sbfr over W Fk San Jacinto S Rel built?

It was built in 1997, making it 28 years old in 2025.

What condition is IH 45 Sbfr over W Fk San Jacinto S Rel 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 IH 45 Sbfr over W Fk San Jacinto S Rel carry?

About 4,707 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is IH 45 Sbfr over W Fk San Jacinto S Rel?

The structure is 243 ft (74.1 m) long with a longest span of 61 ft (18.6 m) and a deck 43 ft wide.

Who owns IH 45 Sbfr over W Fk San Jacinto S Rel?

It is owned by the State Highway Agency.