US Bridges

IH 45 SB over FM 2920 (spring Cypress)

Fair

Harris County, Texas · 3.75 MI N of FM 1960 · Structure no. 121020011005180

Built
2002
23 years old
Condition
Fair
inspected September 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
324 ft
3 main spans
Daily traffic
97,683
2021 count
Owner
State
State Highway Agency

About this bridge

IH 45 SB over FM 2920 (spring Cypress) is a prestressed concrete stringer/multi-beam or girder carrying IH 45 SB over FM 2920 (spring Cypress) in Harris County, Texas. It was built in 2002, 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 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 97,683 vehicles a day, roughly 9% of them trucks, projected to reach 136,756 by 2041. The structure is 324 ft (98.8 m) long and 108 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIH 45 SB
CrossesFM 2920 (spring Cypress)
Location3.75 MI N of FM 1960
RouteInterstate 45
CountyHarris County
StateTexas
Coordinates30.07472, -95.43616
Functional classUrban Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum 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, precast panels
Main spans3
Design loadHS 20
Structure length324 ft (98.8 m)
Longest span124 ft (37.8 m)
Deck width108 ft (33 m)
Roadway width94 ft (28.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic97,683 (2021)
Projected traffic136,756 by 2041
Trucks9%
Lanes on structure6
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 45 SB over FM 2920 (spring Cypress) built?

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

What condition is IH 45 SB over FM 2920 (spring Cypress) 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 2022.

How much traffic does IH 45 SB over FM 2920 (spring Cypress) carry?

About 97,683 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is IH 45 SB over FM 2920 (spring Cypress)?

The structure is 324 ft (98.8 m) long with a longest span of 124 ft (37.8 m) and a deck 108 ft wide.

Who owns IH 45 SB over FM 2920 (spring Cypress)?

It is owned by the State Highway Agency.