US Bridges

IH 45 NB Onr over Draw

Fair

Leon County, Texas · 0.86 MI W of SH 75 · Structure no. 171450067504094

Built
1965
60 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
710
2010 count
Owner
State
State Highway Agency

About this bridge

IH 45 NB Onr over Draw is a concrete culvert carrying IH 45 NB Onr over Draw in Leon County, Texas. It was built in 1965, so it is 60 years old, older 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 710 vehicles a day, roughly 34% of them trucks, projected to reach 1,210 by 2027. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 45 NB Onr
CrossesDraw
Location0.86 MI W of SH 75
RouteInterstate 45
StateTexas
Coordinates31.15111, -95.98195
Functional classRural 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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic710 (2010)
Projected traffic1,210 by 2027
Trucks34%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 45 NB Onr over Draw built?

It was built in 1965, making it 60 years old in 2025.

What condition is IH 45 NB Onr over Draw 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 March 2023.

How much traffic does IH 45 NB Onr over Draw carry?

About 710 vehicles per day (2010 count), of which roughly 34% are trucks.

How long is IH 45 NB Onr over Draw?

The structure is 26 ft (7.9 m) long with a longest span of 6 ft (1.8 m).

Who owns IH 45 NB Onr over Draw?

It is owned by the State Highway Agency.