US Bridges

IH 45 Nbfr over Cypress Creek

Fair

Harris County, Texas · 1.0 MI N of FM 1960 · Structure no. 121020011005159

Built
1998
27 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
340 ft
3 main spans
Daily traffic
14,917
2023 count
Owner
State
State Highway Agency

About this bridge

IH 45 Nbfr over Cypress Creek is a prestressed concrete stringer/multi-beam or girder carrying IH 45 Nbfr over Cypress Creek in Harris County, Texas. It was built in 1998, so it is 27 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 14,917 vehicles a day, roughly 3% of them trucks, projected to reach 20,884 by 2042. The structure is 340 ft (103.6 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 45 Nbfr
CrossesCypress Creek
Location1.0 MI N of FM 1960
RouteInterstate 45
StateTexas
Coordinates30.03581, -95.42875
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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal 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 spans3
Design loadHS 20
Structure length340 ft (103.6 m)
Longest span113 ft (34.4 m)
Deck width46 ft (13.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,917 (2023)
Projected traffic20,884 by 2042
Trucks3%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
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$30,000
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 45 Nbfr over Cypress Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is IH 45 Nbfr over Cypress Creek 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 Nbfr over Cypress Creek carry?

About 14,917 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is IH 45 Nbfr over Cypress Creek?

The structure is 340 ft (103.6 m) long with a longest span of 113 ft (34.4 m) and a deck 46 ft wide.

Who owns IH 45 Nbfr over Cypress Creek?

It is owned by the State Highway Agency.