US Bridges

Ida Missionary RD over Nance Branch

PoorPosted for load

Caddo Parish, Louisiana · 1 Mi. E. US HWY 71 · Structure no. 040933000935311

Built
1976
49 years old
Condition
Poor
inspected March 2023
Type
Slab
Concrete
Length
77 ft
4 main spans
Daily traffic
77
2019 count
Owner
County
County Highway Agency

About this bridge

Ida Missionary RD over Nance Branch is a concrete slab carrying Ida Missionary RD over Nance Branch in Caddo Parish, Louisiana. It was built in 1976, so it is 49 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 77 vehicles a day, projected to reach 84 by 2039. The structure is 77 ft (23.5 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesIda Missionary RD
CrossesNance Branch
Location1 Mi. E. US HWY 71
RouteCounty Highway 0
CountyCaddo Parish
StateLouisiana
Coordinates33.00042, -93.8824
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating22.2 US tons
Inventory rating17.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length77 ft (23.5 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic77 (2019)
Projected traffic84 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Ida Missionary RD over Nance Branch built?

It was built in 1976, making it 49 years old in 2025.

What condition is Ida Missionary RD over Nance Branch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2023.

How much traffic does Ida Missionary RD over Nance Branch carry?

About 77 vehicles per day (2019 count).

How long is Ida Missionary RD over Nance Branch?

The structure is 77 ft (23.5 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns Ida Missionary RD over Nance Branch?

It is owned by the County Highway Agency.